in the previous debates. he finally had a chance to stand there and make sort of his substantive case on foreign policy which, as matt points out, is very different than most of the other republicans. >> matt, we've talked fight a bit in the past few days about ben carson and there was some question about whether or not the moderators would ask him about the discrepancies in his personal narrative and in fact, the moderator did ask him about that, whether or not the questions were affecting sort of the impression of carson as trustworthy. here is ben carson's response to that. >> the fact of the matter is, we should vet all candidates. i have no problem with being vetted. what i do have a problem with is being lied about. and then putting that out there as truth. >> so, matt, what did you think? is he confusing being vetted with being lied about? who is lying about ben carson? >> well, look, i think you make