Donald Trump responded to 2012 Presidential candidate Mitt Romney's comments from Thursday.
LISTEN to FOX News Radio's coverage of Donald Trump responding to Mitt Romney:
Mitt Romney responded on Twitter as Donald Trump was in Portland giving his speech.
If Trump had said 4 years ago the things he says today about the KKK, Muslims, Mexicans, disabled, I would NOT have accepted his endorsement
-- Mitt Romney (@MittRomney) March 3, 2016