Like Roh Moo-hyun, the President he served, Moon Jae-in’s ideological origins are found within the leftist lawyersâ€™ group Minbyun (which has since become Pyongyang’s instrument for intimidating North Korean refugees in the South). As lawyers defending left-wing radicals and pro-democracy activists alike against the right-wing dictatorship, Moon and Roh became close friends and law partners in Pusan. Moon went on to become the legal advisor to the Pusan branch of the Korea Teachersâ€™ and Educational Workersâ€™ Union, a radicalized union that would draw controversy for the politicized, anti-American, and often pro-North Korean bias of its membersâ€™ instruction. In one case, it was caught using textbooks that borrowed heavily from North Korean texts.

[As political photo ops go, this combines all the appeal of Dukakis-in-a-tank and a Village People USO show.]

But the story of the rise of Moon Jae-in, the man who might be South Koreaâ€™s next President, really began with the election of 2002, when Moon managed Roh’s campaign. In many ways, the rise was a remarkable one. Neither man had any national political experience, and what experience they had was hardly predictive of success. (Rohâ€™s only previous run for elected office had ended in defeat.) Roh initially ran on a platform of improving relations with North Korea and cleaning up corruption, an ironic position for a man who would later leap to his death as a bribery scandal closed in on him.

But it was not Roh’s promises of clean government that energized his base; instead, Roh and Moon found victory in tragedy. In June of 2002, the U.S. Army held an exercise near the town of Yangju. It should never have been held in such a heavily populated area. The drivers of the armored vehicles that participated contended with narrow roads, poor visibility, and faulty communications equipment. A series of poor-in-retrospect judgments by young soldiers, none of them criminal, ended horribly, with two 14-year-old girls, Shin Hyo-sun and Shim Mi-seon, crushed under the tracks of a bridge-laying vehicle.

As anyone living in South Korea could see by then â€” I was nearing the end of my twice-extended, four-year tour with the Army there â€” anti-Americanism was already rising, and the presence of so many phalanxes of riot police in downtown Seoul made me wonder if this was what Berlin felt like in the late â€˜20s. In that politically charged context, false rumors quickly outran the truth. Some newspapers reported that the soldiers had run over the girls intentionally. Former U.S. diplomat and fluent Korean speaker David Straub recalled some Korean media that the soldiers stood and laughed over the girlsâ€™ crushed bodies. In reality, the soldiers were devastated and traumatized. (Iâ€™ve met and spoken with soldiers who were at the scene.)

Itâ€™s difficult to know how many Koreans really believed such spurious rumors, but there was no serious question that this tragedy was an accident. Most Americans viewed that as mitigating, but Iâ€™ve since come to realize that this exacerbated the controversy because of the very different ways in which Americans and Koreans respond to accidents. Americansâ€™ first impulses are to regulate and sue; Koreans, whose legal system does not distinguish between torts and crimes, seek to blame and punish. Americans assign fault individually; Koreans assign it both individually and collectively. That goes far to explain why everything the Americans said and did only seemed to make matters worse.

“Almost every Korean I speak to says that the verdict should reflect the feelings of the people. We go to great lengths to separate feelings from the law. It is a different concept,” the official said. He also complained that many apologies had been offered, from senior military brass to Secretary of State Colin L. Powell, who spoke to South Korean Foreign Minister Choi Sung Hong. “In this case, the Koreans just haven’t been listening,” the official said. [L.A. Times, Barbara Demick]

Amid the rising outrage, Korean prosecutors asked the Army to waive the provision of the Status of Forces agreement that gave it jurisdiction over on-duty incidents and the Army. The Army, no doubt fearing that the proceeding would be unfair, declined. That part of the decision was the correct one. As a South Korean law professor told a reporter, the two soldiers â€œalmost certainly would have been convicted in a South Korean court.â€

Instead, because it must have seemed like a good idea at the time, the Army charged the soldiers with negligent homicide at a court-martial. In effect, the Army had heard Koreansâ€™ calls for punishment and mistranslated them as calls for justice. Had I stayed in Korea for another year, it might have fallen to me to defend one of the soldiers in court. Instead, that job fell to others. Of course, any competent Judge Advocate could have predicted that no panel would convict, and any competent diplomat should have predicted how certain elements of Korean society would react to the inevitable acquittal. To compound the error, the case went to trial a month before Koreaâ€™s presidential election.

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For Roh and Moon Jae-in, these events were a political godsend. Even the accounts of journalists sympathetic to Rohâ€™s North Korea policy leave little doubt that Rohâ€™s campaign â€œorchestrated [and] politically cashed in on an anti-establishment movementâ€ that included â€œbold anti-American rhetoric.â€ Mike Chinoy wrote that â€œRohâ€™s final campaign rallies were marked by renewed pledges to maintain the Sunshine Policy and increasingly sharp anti-American rhetoric, including warnings that a Roh administration would not necessarily side with the United States in the event the crisis led to armed conflict.â€ Demonstrators chanted Rohâ€™s name and sang that America was â€œa vulgar country.â€

Roh seemed to be their man. He had been criticizing Bush’s tough approach to the North Korean nuclear threat, preaching reconciliation and dialogue. He promised a policy more independent of American influence, and changes in the treaty governing the legal status of U.S. troops stationed here. While insisting he wasn’t anti-American, he said he wouldn’t “kowtow” to America. [â€¦.] During the campaign, Roh seemed less accommodating toward Washington, speaking of the need for the Korean president to play a “leading role” in the nuclear crisis rather than “unilaterally obeying U.S. policy without criticism.” “Exerting pressure on North Korea could be very dangerous,” he said then. “Now it’s time for South Korea to take the lead. We should no longer be a passive player manipulated by others. We and the United States have different interests on this issue. The United States’ goal is to prevent proliferation of weapons of mass destruction, but for us, it can be a matter of life or death.” [Choe Sang-Hun, AP]

The Korea-based reporter Bobby McGill recounted how anti-Americanism even became a cultural fad.

The anger was palpable. While reporting on events for the the San Francisco Chronicle, I cited a Gallup poll that showed 75 percent of Koreans in their 20s said they disliked Americans. Sixty-seven percent in their 30s, along with half of those in their 40s, told Gallup they either â€œdid not likeâ€ or â€œhatedâ€ the United States. Few living on the peninsula at that time were immune to the movement. Businesses around the country banned Americans (and by association, Westerners) from entering, US flags were laid on the ground at university campuses allowing students to walk on them en route to class, and graphic banners of Shim Mi-son and Shin Hyo-sun were erected at rallies, as the American military came under increasingly heated scrutiny for what was ubiquitously viewed as an unfair and unjustified handling of their deaths. [Busan Haps]

The occasion for McGillâ€™s recollection was Americansâ€™ discovery that ten years before his ten minutes of fame, Psy had rapped, â€œKill those f****** Yankees who have been torturing Iraqi captives â€” Kill those f****** Yankees who ordered them to torture, Kill their daughters, mothers, daughters-in-law and fathers â€” Kill them all slowly and painfully.â€ A popular girl bandâ€™s video featured â€œcowboy-booted Americans being beaten up, fed to dogs, and tossed off buildings.â€ One protest anthem was called â€œF**king USA.â€

The extent of the anti-American sentiments stirred by the case was evident over the weekend at the entrance to a restaurant in downtown Seoul, which posted signs saying, “Not Welcome. The Americans.” Other establishments near university campuses were reported to be similarly barring Americans. “I thought about putting up a sign reading, ‘Yankee, Go Home,’ but that seemed too harsh,” said Lee Chang Yong, 41, who had put up the “Not Welcome” sign. Lee said he appreciates the presence of U.S. troops in defending South Korea but believes that they behave arrogantly without respect for Korean culture. [L.A. Times, Barbara Demick]

Even before the accident, there had been acts of anti-American violence. In July 2000, a Korean man had stabbed and killed Major David Berry, a doctor and father of five, on a street Iâ€™d walked countless times. In February 2002, protesters ransacked the U.S. Chamber of Commerce in Seoul, stole $10,000, and posted video of the incident on the website of a radical group calling itself â€œVoice of the People.â€ A poll later showed that nearly half of South Koreans approved.

Soldiers were warned against wearing our uniforms off-post or traveling alone (as a defense attorney representing clients in remote posts, this was an order I could only disregard). By the time my tour in South Korea ended in July of 2002, and just a month after the fatal accident, I had watched anti-American sentiment build for four years (though my affection for Korea, and for one Korean in particular, was still enough that I extended my tour twice anyway). But it is also true that the rhetoric became more violent in the months after the accident and before the election, held on December 19, 2002, and that actual violence was the inevitable result of this rhetoric.

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On September 16th came the kidnapping of Private John Murphy in an incident that was clearly premeditated and instigated by So Kyung-won, â€œa former legislator who was jailedâ€ for ten years â€œafter going to North Korea without permission.â€ After his release, So became co-chairman of â€œa committee focusing on the accident involving the girls.â€ Murphy and two other soldiers were riding on the Seoul subway when a group of protesters accosted them. So tried to hand Murphy a leaflet, which Murphy refused to accept. The soldiers got off at the next stop, but as they tried to leave, they were ”pulled, punched, kicked and spat upon by demonstrators.” So and his comrades held Murphy until he made a videotaped apology and confession. (Like Moon Jae-in, So had been a leader in the KTEU. He would earn repeated praise in Pyongyang for his role in the kidnapping and other anti-American agitprop.)

On September 27th, ten Koreans threw Molotov cocktails into Camp Red Cloud, near Uijongbu. More firebombings would follow after Sergeants Nino and Walker were acquitted on November 20 and 22. Three days later, 20 people calling themselves â€œKorean Students Seeking Punishment for the Murderous American Soldiersâ€ gathered outside Camp Gray in Seoul and threw ten Molotov cocktails into the post. The next day, 50 protesters broke into Camp Casey, near Dongducheon, north of Seoul. Two days after that, more Molotov cocktails were thrown into Camp Page, near Chuncheon. That same month, a U.S. Army colonel and his wife went to Kyunghee University to talk to a group of students when a group of radicals surrounded and damaged their car, forcing them to flee. Thankfully, no one was injured in these incidents.

Protests, some of them violent, surged on through December. Four protesters cut the wire fence around a post near Incheon. Outside, 500 activists protested and fought with riot police. On the evening of December 15th, three men attacked, tried to stab, and injured Lieutenant Colonel Steven Boylan, the spokesman for U.S. Forces Korea who had been the Armyâ€™s voice throughout that difficult year. There can be little question that the attack was premeditated. On the morning of December 20th, a day after the election, a passing motorist shot an American soldier with a pellet gun outside a U.S. Army post in Seoul. Later that morning, two U.S. soldiers at Seoul Station were assaulted, grabbed by their throats, and spat on while four South Korean soldiers stood by.

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I found no evidence that anything Roh or Moon said directly encouraged violence against Americans, but they didnâ€™t discourage it, either. (The historical record from that election season is curiously devoid of any comments by Moon Jae-in, or even any coverage of him or his views.) Still, it seems unlikely that Roh could have won without this energy behind him; even with it, he only eked out a narrow win by just two percentage points.

North Korea â€œwelcome[d] Roh’s victory as a defeat for Washington’s harder lineâ€ and said that the result â€œshowed that â€˜forces instilling anti-North confrontation â€¦ cannot escape a crushing defeat.â€™â€ It is fair to say that Roh and Moon were no more responsible for all of this than Donald Trump and Steven Bannon are responsible for the rhetoric of Ann Coulter or Milo Yiannopoulos, or for the reaction of their most extreme supporters, but in both cases, the candidates never appealed for an end to the violence or the rhetoric that made it inevitable. Instead, Roh asked, â€œWhatâ€™s wrong with being anti-American?â€

With the election safely behind him, Roh conceded that it had all gone too far.

“I made various remarks on the campaign trail, but I was just roughly touching upon issues without giving full consideration to the diplomatic and security situations,” he said. “I will consult with people in the government and will make more responsible remarks in the future.” [Choe Sang-Hun, AP]

But this still wasnâ€™t a call for an end to the violence, and the violence was not over. More would follow in the coming years, including violent protests at Camp Humphreys in 2006 that injured 117 policemen and 93 protesters. The violence slowly tapered off as the Sunshine Policy failed to keep its unrealistic promises, as Roh turned out to be another compromised politician, and as North Korea repaid the Southâ€™s generosity by sinking one of its warships and shelling a fishing village, killing 50 of its citizens.

Opinions shifted away from the pro-North Korean and anti-American sentiment that dominated in 2002. Today, there is no groundswell to cozy up to Kim Jong-un or kick the Yankees out. Instead, there is the weariness with the industry of politics (see, e.g., America circa 2015) and a combination of anxiety, frustration, and indecision about North Korea (see, e.g., Washington, D.C., circa 2009 to 2015). The spirit of 2002 returned again in 2015, when a pro-North Korean extremist slashed the face of U.S. Ambassador Mark Lippert. With delectable irony, Moon warned that â€œif this incident is politically used â€¦ such a move will rather hurt the Seoul-Washington ties.â€

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That is how, in a few short years, Moon Jae-in rose from radical obscurity as a lawyer and ideologue to becoming the closest confidant of a president whom former Defense Secretary Robert Gates later described as â€œanti-Americanâ€ and â€œprobably a little crazy.â€ (In his memoirs, Gates wrote that Roh had called the U.S. and Japan the two greatest threats to security in Asia.) After Moon defended Roh in the latterâ€™s 2004 impeachment, Roh made Moon a job as Senior Presidential Secretary for Political Affairs, putting him in charge of communications with the National Assembly and South Koreaâ€™s political parties. He later became Rohâ€™s Chief of Staff, the position he held when he asked Pyongyang for its instructions as to how Seoulâ€™s man in New York should vote on a U.N. General Assembly vote to condemn North Koreaâ€™s human rights abuses (and subsequently lied about it).

If Moon Jae-inâ€™s history and recent statements are predictive of his world view, the U.S.-Korea alliance is headed for what we might call “a critical stage.” For example, Moon was widely quoted as promising that if elected, he would visit Pyongyang before he visits Washington, though he now claims that statement was taken out of context. Moon still says he plans to reopen the Kaesong Industrial Complex, a move that would violate U.N. sanctions and directly undermine the Trump administrationâ€™s emerging policy of economic pressure on Pyongyang. Moon has opposed, and repeatedly waffled on, the deployment of the Terminal High Altitude Area Defense (THAAD) missile defense system that protects not only South Korean cities, but U.S. forces and their families. Whereas Moon calls Kim Jong-un a â€partner for dialogue,” he sells himself as the leader of a Korea that can â€œsay no the U.S.â€ You can get the full flavor of Moonâ€™s putative North Korea policy here.

Iâ€™m already on record as predicting that these policies bear a high risk of going down very badly with the current U.S. President, who campaigned on demanding that Korea pay more for the cost of U.S. forces in Korea (a demand I would readily support) and whose recent policy review will emphasize economic pressure on Kim Jong-un. As Professor Lee, Bruce Klingner, and I recently argued in the pages of Foreign Affairs, one cannot make a coherent policy of subsidizing and sanctioning the same target at the same time. If you wire $7 billion to the man pointing the nukes at you, you forfeit the argument that sanctions havenâ€™t worked. And potentially, you forfeit much more than that.

Moon now says that if elected, he would â€œpursue [the] realization of the dream that President Roh Moo-hyun was unable to see completed.â€ Mr. Moon may well realize the dream of another Korean leader, whether he knows it or not.