There was a moment when it actually looked like Rubio would become a major player, but after the atrocious debate where young Marco went after Trump's hand size , he looked very much like a waterboy again. This is the danger in playing to Trump's level. Cruz can get away with it because he is aiming at the same disgruntled Republican voters who wallow in this kind of ribald humor. However, Rubio is supposed to be the standard-bearer for the GOP. The other establishment candidates essentially cleared the stage for the young Florida senator, and here he was going after Trump like two junior high school kids in the locker room arguing over who had the bigger dick. Even Reince Priebus cringed, making the comment that debates may have to carry a PG rating from here on out. The only establishment candidate remaining with any chance at the nomination is the untelegenic John Kasich, who has to rely on surrogates like Arnold Schwarzenegger to make him sou...