Then-presidential nominee Donald Trump stands next to Sen. Bob Corker, R-Tenn., during a campaign event at the Duke Energy Center for the Performing Arts in July 2016 in Raleigh, N.C.

Then-presidential nominee Donald Trump stands next to Sen. Bob Corker, R-Tenn., during a campaign event at the Duke Energy Center for the Performing Arts in July 2016 in Raleigh, N.C.