The issue focused on Senate Majority Leader Mitch McConnell (R-Ky.), who made clear last week that he'd vote against any legislation that raised taxes on the wealthy. Trump called McConnell's remarks "disgraceful."

Trump made clear he wasn't backing down on Friday.

"No matter how much I accomplish during the ridiculous standard of the first 100 days, & it has been a lot (including S.C.), media will kill!" Trump tweeted. "Media will NEVER cover what will happen