Trump also announced on Tuesday that he had appointed Florida Representative Mike Waltz as his national security adviser, saying in a statement that the retired Army National Guard officer "has been a strong champion of my America First Foreign Policy agenda and will be a tremendous advocate for our pursuit of Peace through Strength."

Speaking at Dartmouth College, former vice president Mike Pence told the crowd that he could “never” bring himself to vote for the current Democratic presidential ticket, but he’s not willing to endorse former president Donald Trump either.