The main takeaway from informal presidential adviser Roger Stone’s arraignment Tuesday is that the Russian collusion narrative has collapsed. If there were anything there, we’d know about it by now.

Stone was hauled in to federal court Friday morning after a theatrical, televised arrest that should be the subject of a Justice Department investigation or congressional inquiry. Why the excessive threat of force? Though CNN denies it, many still wonder whether the network was tipped off. The extreme intimidation tactic might have been intended to send a message, but it only tended to confirm the biases of those who see special counsel Robert Mueller's entire effort as a rogue operation.

The “process crimes” Stone is charged with, such as lying and witness tampering, are potentially serious. But he was not charged with facilitating Trump campaign collusion with Russian hackers, and the indictment itself gives little reason to believe there ever were any.

It was certainly not a crime for the Trump campaign to be interested in what WikiLeaks had on Hillary Clinton or other Democrats. WikiLeaks had established itself as a reliable — though notorious — source for purloined information. Weeks before WikiLeaks published the emails, Democrats had made public that their computer systems had been hacked, allegedly by Russian operatives, though WikiLeaks has denied that Moscow was its source.

In Washington, D.C., on Jan. 29, 2019.

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Regardless of where the emails came from, once WikiLeaks began to publish them, everyone in America wanted to know what was in them, no doubt especially the Trump team. Roger Stone was simply conducting his version of opposition research, albeit ineptly. And the indictment notes that Stone was “claiming both publicly and privately” to be in contact with WikiLeaks during the 2016 campaign, so if he were trying to keep his activities a secret he was doing a poor job.

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There's still no evidence of collusion with Russia

What this story indicates is that the Trump campaign didn't have close ties to WikiLeaks, and no knowledge about what was in the emails, which presumably it would have if there were collusion afoot. And though investigations have found 100 contacts between members of the Trump circle and a variety of Russians during the 2016 campaign, none of the reported communications offers clear evidence of election tampering, quid pro quos, prior knowledge of dirty tricks, or anything else that would confirm the collusion narrative.

The collusion story was a speculative proposition from the start. It apparently originated with former CIA Director John Brennan, who testified to Congress about his concerns that Russian agents might try to suborn members of the Trump team during the 2016 campaign, based on tips from foreign intelligence services. But rather than warning a major-party presidential candidate that he was a target of a foreign influence operation — which you would expect from a supposedly nonpartisan career intelligence official — Brennan established an interagency task force that targeted Trump’s circle. And while Brennan has more recently called President Donald Trump’s denial of collusion “hogwash,” he still cannot produce evidence to support the charge. If the Trump administration would declassify documents related to the activities of Brennan’s group during the campaign, the public might gain more insight into who was colluding against whom.

If wanting Clinton's emails is criminal, lock us up

It is no doubt true that Russia wanted to influence the 2016 election, but this is hardly news. It is amusing to those of us who studied Soviet disinformation and active measures techniques during the Cold War to be lectured on the Russian threat by newly minted liberal experts on Moscow’s perfidy. Such political interference has been going on one way or another since the Comintern days of the 1920s. But there is still no evidence Trump was involved with it, not in 2016, not in 2015, not in 1987.

Yes, there will always be those who twist circumstantial evidence into making Donald Trump a Manchurian Candidate, but we don’t have to take such paranoid notions seriously.

After two years of investigations — or three if you count CIA and FBI efforts in 2016 — the collusion story is as weak as ever. It has dwindled significantly over time. For example, what happened to Democratic Sen. Mark Warner’s claim, later promoted by Hillary Clinton, that there were 1,000 Russian agents planting anti-Hillary fake news stories in key swing states in 2016? Or that Russians had delivered Wisconsin to Trump? Or that the election was decided by $100,000 in clumsily executed Facebook ads?

Now we are left with Roger Stone wanting to see Hillary Clinton’s emails. Well, who didn’t?

James S. Robbins, a member of USA TODAY's Board of Contributors and author of "Erasing America: Losing Our Future by Destroying Our Past," has taught at the National Defense University and the Marine Corps University and served as a special assistant in the office of the secretary of Defense in the George W. Bush administration. Follow him on Twitter: @James_Robbins

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This article originally appeared on USA TODAY: Roger Stone's not guilty plea shows collapse of Russian collusion narrative