 NBC News Radio. I'm Tammy Trujillo. Ohio Senator J.D. Vance has accepted the Republican nomination for vice president. Mark Mayfield has more. In his address to the Republican National Convention, Vance praised his running mate Donald Trump and addressed the assassination attempt against the former president. He said Trump has given everything he has to fight for his country. Vance made the case why Republicans need to take the White House, arguing that America needs a party committed to free speech and an open exchange of ideas.