is quote, would of, could of, should of. he will defend those remarks when he joins us. brian williams joins me now from new york with a preview of what will be a great interview tonight on nbc's "rock center," brian, we have come to know charles murray through the book "the bell curve" and his new book arguing a different genetic programming that could explain academic performance. >> i want to say at the outset, that we sat down with him yesterday in new york, last time i interviewed charles murray, he was coauthor of the bell curve, it stamped his life. one of his ideas was that iq was created by a lot of things and environment is one and he went there on the subject of race. and he paid a heavy price for