I don’t think that it is a good idea to listen to this advice...
Cruz will get a massive round of applause at the debate if he does this..and people will say that is the establishment attacking Trump. They will side with Trump.
Cruz supporters must face the fact that the so-called brilliant Cruz laughed off Trump just like the media for far too long..and Trump came in like a hurricane and swept up everthing.
Cruz treated Trump like a buffoon.. The Harvard elitist thought he knew it all