All three are President Joe Bidens main path to reelection.

There is evidence that Trumpsupported the war in 2002 albeit not enthusiastically before opposing it.

Vance avoided some topics in his speech, like his opposition to additional funding of Ukraine.

J.D. Vance takes the stage at the Republican National Convention.

J.D. Vance at the Republican National ConventionChip Somodevilla/Getty Images

Earlier this week, Vance said that he changed his mind once Trump became president.

We need a leader who fights for the people who built this country.

Donald Trump and ABC News' Terry Moran