Impact of Mitt Romney denouncing Donald Trump?

2012 GOP nominee Mitt Romney blasted Donald Trump in a speech at the University of Utah. Romney called Trump “a fraud” and “a phony” who sells a “brand of anger that has led other nations into the abyss.” The speech comes after Romney issued several tweets about Trump including calling for Trump to release his tax returns. What do you think the impact of Mitt's speech will be? JUMP IN and vote: