>> i'm not going to wear rose-which colored glasses. >> now with the russia bombing the opposition that the u.s. is pledged to support, romney's declaration seems prophetic. >> romney waded into the 2016 campaign. emitting laughter when he said the republicans are the parties of immigrants. and for the first time he weighed in on donald trump. ripping the billionaire for childishly insulting his opponents. ridiculing what trump said he would do about isis. >> he thought it would be a good idea to let isis take over syria and we could pick up the pieces. i thought that was both absurd and dangerous. >> romney said he doesn't think trump will ever be the nominee. that a mainstream conservative will rise to the top. and he warned that some shill rhetoric coming from trump and other candidates on immigration can only lead to defeat next november. on that point romney clearly