On the recordSeptember 13, 2015
If I were a Marco Rubio or a Jeb Bush, or a Scott Walker or Chris Christie trying to play the long game or Kasich, certainly the fact that you have this kind of power vacuum on the GOP side and you haven't had people close fully support behind just one alternative makes Trump's job a lot easier, but still, it's the establishment's game.
Said by
Nate Silver
Source
transcripts.cnn.com