It is very telling to look at the announcement speeches of Trump, Cruz and Rubio. This was the time to present what THEY thought was important to them and and the American people. Trump outlined so many issues while Rubio and Cruz just talked about Cuba and themselves.
http://freerepublic.com/focus/f-news/3396178/posts?page=2#2
In the first ten minutes of the MSNBC townhall he runs down a very specific list. It was good. I dont think they went easy on him in that one. Do wish they would have asked some other questions and would forget the polls questiond.