it called rubio, quote, the best this week's "time" magazine cover calls trump a, quote, bully, showman, party-crasher and demagogue and possibly the 45th president of the united states. >> mitt romney plans to say today trump doesn't have the temperament nor the judgment to be president. fiery speech romney plans to make this morning in utah. he says, quote, donald trump is a phony, a fraud. his promises are as worthless as a degree from trump university. he is playing the american public for suckers. he gets a free ride to the white house and all week get is a lousy hat. trump hit back this morning on twitter writing, quote, why did mitt romney beg me for my endorsement four years ago? >> the cracks in the republican party go beyond politicians. 62 national security experts signed a scathing open letter opposing trump. the letter calls trump's vision of american power an influence,