to third. he talks about mosques and the use of waterboarding. he's also stirred up this claim of 9/11. >> people were cheering on the other side of new jersey where you have large arab populations, they were cheering as the world trade center came down. >> ben carson made the same accusation today. 26th contender new jersey governor krils chrchris christis to say. >> i think if it had happened, i would remember. but there are things i've forgotten, too. >> ben carson talked about who wrote the constitution. >> president jefferson tried to craft the constitution in a way that would control people's natural tendencies and control the natural growth of the government. >> reporter: james madison is credited for writing the document that formed the basic