text:  Vance was also someone who was critical of Donald Trump, even calling him, quote, America's Hitler in messages with his law school roommate at the time. But in Trump's world, it's not always about what you said then. It's what you do now. And Vance has been a vocal defender of Trump in Congress, especially during the New York criminal trial. Stephen, what does Trump's pick of Vance tell us about the state of this presidential race and more broadly, the state of today's Republican Party?