Sen. Mitt Romney Willard (Mitt) Mitt RomneyMomentum growing among Republicans for Supreme Court vote before Election Day Toobin: McConnell engaging in 'greatest act of hypocrisy in American political history' with Ginsburg replacement vote The Memo: Court battle explodes across tense election landscape MORE (R-Utah) received a standing ovation in Denver on Friday night over his vote to convict President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE for abuse of power.

Romney earlier this month became the first senator in history to vote to convict a president of his own party. The senator traveled to Colorado on Friday for a discussion on the state of the world's democracies at the University of Denver, according to The Denver Post.

The discussion held at the university's School of International Studies was hosted by the Alliance of Democracies Foundation, a nonprofit established by Anders Fogh Rasmussen, the former prime minister of Denmark.

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Rasmussen opened the discussion by praising Romney. "I am so honored to be onstage with what I would say is a true profile in courage," Rasmussen said, prompting a standing ovation from the group of nearly 300 people in the university's auditorium, the Post reported.

"There are a couple of times I have said things or taken positions that were more expedient than they were based upon conviction. I remember those things precisely, and I regret them enormously," Romney said. "Years, decades later, and I'm not going to do that anymore."

Later in the discussion, Romney spoke about a "realignment" of political parties in the U.S., saying that many blue-collar Americans voted Democrat for years before Trump's election in 2016 while also suggesting that many college-educated women have left the GOP.

"I think that's difficult for my party because we're not doing well with young people," Romney said. "We're not doing well with minorities. We're not doing well with women. And if you're not doing well with those groups, it's going to be hard long term to be successful."

The U.S. Senate voted to acquit Trump on Feb. 5, defeating the first article, abuse of power, in a 48 to 52 vote, with Romney breaking with his party to vote for the article. The GOP-led Senate rejected the second charge, obstruction of Congress, in a 47 to 53 vote.