Not sure Rubio is that man to go up against Hitlery.
He singlehandedly destroyed Bush. I say that is pretty good. As far as a serious debater, Trump, Rubio, Fiorina have all won debates. The so called international debater has not......kinda crazy. Of course the excuse is that these are not real debates. lol. Only the same debates for the last 40 years and the same debates that will be used for the general.
I think he also nuked Kasich with just a couple of sentences in that last debate...I'll be surprised to see him back...