 Former President Donald Trump has chosen Ohio Senator J.D. Vance as his running mate. Vance becomes the first veteran on a major party's national ticket to have served after 9-11. Duke University political science professor Mack McCorkle tells NCA News Mr. Trump made a pick that will cater to his base. There won't need to be much of a turnout operation on the Trump side, if you know what I mean. His loyal supporters are going to show up, which gives him the ability to