I’m afraid that Donald will be playing the part of Perot in 2016.
And Jeb will play the part of Bob Dole, the uninspiring RINO who can’t energize the conservative base.
Also, there should be serious misgivings about his conservative credentials, his commitment to law, his understanding of how government works, and his bizarre temperament. See this article; it addresses some of my points.
http://spectator.org/articles/63506/third-obama-term
But considering that in the latest poll he got 24% AFTER the damage caused by the McCain kerfuffle, he still has a good chance at getting the nom.