http://www.politico.com/gallery/2012/08/rnc-speeches-the-revealing-word-clouds/000398-005279.html?hp=r11Top 4 words of each main speaker:
Mitt Romney: America, President, Better, World
Clint Eastwood: Think, People, Just, Know
Marco Rubio: America, Story, Special, People
Jeb Bush; Governor, Students, Milk, Schools
Ann Romney: America, Mitt, Know, Just
John Boehner: Guy, People, Walked, Bar
Chris Christie: American, People, Believe, Truth
Mike Huckabee: Better, Government, Mitt, Romney
Susanna Martinez: America, Parents, Stand, Promise.
John McCain: World, America, President, Leadership
Paul Ryan: Obama, Government, President, Years
Tim Pawlenty: Obama, Barack, Know, America
Rob Portman: Obama, President, Romney, Years
Rand Paul: American, President, Must, Build
Condoleezza Rice: America, Know, Country, One
Rick Santorum: America, Hands, Work, President.
Main word seems to be America, interesting that the only speakers that had "Mitt" or "Romney" as one of their main most frequent words were Ann Romney, Mike Huckabee, and Rob Portman.