 Former President Trump got a hero's welcome on day one of the Republican National Convention in Milwaukee. Mr. Trump is now the GOP's 2024 standard bearer, and he's chosen Senator J.D. Vance of Ohio as his running mate. Teamsters President Sean O'Brien says it was an honor to be the first Teamster in the union's 121-year history to address the GOP National Convention. Yesterday, it was the economy. Today, security is the focus for the Republicans at their national convention.