These are the top list of questions that Obama, Clinton and Mcain  most likely wouldn't want to  be asked:

"the colgate smile"

obama.champion
"Senator Obama, If ever you become a terrorist, what name would you prefer to be called?"

"scary laugh"
hiillary big boxers
"Senator Clinton, do you wear boxers or briefs?"

"i'm a hero, be nice!"
ma cane
"Senator Mcain, did the Dinosaurs got along with humans?"

Should Hillary quit?