Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE’s recent popularity surge in Iowa and New Hampshire has many speculating that President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE could face a Democratic ticket in 2020 that he doesn’t want and fears the most — the South Bend, Ind., mayor and another candidate recently in the spotlight, Rep. Tulsi Gabbard Tulsi GabbardRepublicans call on DOJ to investigate Netflix over 'Cuties' film Hispanic Caucus campaign arm endorses slate of non-Hispanic candidates Gabbard says she 'was not invited to participate in any way' in Democratic convention MORE of Hawaii.

Despite what the “experts” might say, it’s certainly possible. Like weather forecasters and economists, political pundits often are proved embarrassingly wrong. Voters from both parties have a tendency to recalibrate rather quickly, and quite unexpectedly, toward candidates they believe actually might have a chance of winning.

In 2004, for example, Democratic voters threw the preening pundits a curveball when, during the primary process, they suddenly tapped on the brakes, took a much longer and harder look at front-runner Gov. Howard Dean of Vermont, and turned in the slightly more “establishment” direction of Sen. John Kerry John Forbes KerryThe Memo: Warning signs flash for Trump on debates Divided country, divided church TV ads favored Biden 2-1 in past month MORE of Massachusetts.

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Four years later, Democratic primary voters most certainly went counterintuitive again when they bypassed the pundit-approved and -predicted Sen. Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE of New York for the relatively unknown Sen. Barack Obama Barack Hussein ObamaDemocrats ramp up pressure on Lieberman to drop out of Georgia Senate race The Hill's Campaign Report: Biden on Trump: 'He'll leave' l GOP laywers brush off Trump's election remarks l Obama's endorsements Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE of Illinois.

The instincts of those primary voters almost won the Democratic Party the White House in 2004 and for sure got them a very popular two-term president in 2008.

In 2016, Republican primary voters made fools of an army of political pundits and pollsters who — even very late into the primary process — declared continually that Donald Trump had no chance of getting the Republican nomination.

Once he became the nominee, many of those same “experts” and Never Trumpers told us he had zero chance of beating Hillary Clinton in the general election.

Coming up on the end of the third year of his presidency, President Trump still delights in reminding those pundits and pollsters how earth-shatteringly wrong they were.

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Today, many of these same political strategists tell us the Democratic nominee most likely will be either former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE or Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE of Massachusetts.

OK, unless the voters say otherwise — again.

As one who was involved in three winning presidential campaigns, I have watched the ever-evolving Democratic primary campaign for 2020 with growing interest. Over the course of the past year, I’ve discussed with a number of friends and political operatives from both parties that the two Democrats who should strike the most fear in Trump are Buttigieg and Gabbard.

Gabbard has been in the news lately after Clinton viciously and unfairly attacked her. Even though Gabbard has broken a number of “glass ceilings” and served her country with honor as a member of the United States Army in Iraq and Kuwait, Clinton hinted that she is an asset of the Russians who is being “groomed as a third-party candidate.”

An asset of the Russians? Truly despicable.

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Gabbard fired back at Clinton, who had no proof to offer for her smear: “Thank you @HillaryClinton. You, the queen of warmongers, embodiment of corruption, and personification of the rot that has sickened the Democratic Party for so long, have finally come out from behind the curtain.”

As irony would have it, Clinton unintentionally gave Gabbard just the boost she needed to potentially keep her going deep into the primary process.

This primary campaign — like the one in 2008 — is starting to also showcase another young, smart, well-spoken and relatively inexperienced candidate from the Midwest: Mayor Pete. He began his political career as a volunteer for Obama in 2007, before joining the Navy Reserve and serving the nation with distinction in Afghanistan. He’s also openly and proudly gay.

Because of that, many are asking the expected question: Is America ready to elect a gay president? The answer, for me at least, is that America is more than ready to do so, just as the nation was more than ready to elect a black president and is more than ready to elect a female president.

As Obama demonstrated, it still comes down to the candidate — can he or she connect with the American people? And Democratic voters finally are paying attention to the connections that Gabbard and Buttigieg can make, she as a more centrist candidate and he more left of center.

As a package, those two candidates, with their various skill sets and experiences, do speak to a great many communities and demographics across the country. Two young veterans who served their nation in Iraq and Afghanistan now are catching the attention of American voters.

If I were in the Trump White House or campaign, that ticket would send chills down my spine.

Douglas MacKinnon, a political and communications consultant, was a writer in the White House for Presidents Ronald Reagan and George H.W. Bush, and former special assistant for policy and communications at the Pentagon during the last three years of the Bush administration.