day for a george bush again. i think that he and i had our differences, but no one ever questioned his patriotism. there was no question in my mind that george bush would be babe ruth in this league that he s in with donald trump. donald trump wouldn t make the team. reporter: in 2012 he used the senate floor to accuse mitt romney of not paying his taxes even though he had no evidence. he s refused to release his tax returns as we know. let him prove that he has paid taxes, because he hasn t. no, i don t regret that at all. reporter: some people called it mccarthy-ite. well, they can call it whatever they want. reporter: years later reid did ask to meet with romney to make amends. we shook hands, put this behind us. reporter: why was it important to tie up that loose end? i always do that with everybody. reporter: reid not out of