bernie goldberg angry about a story being told if you tax the u.s. more the u.s. economy will be badly >> bill: personal story segment tonight, growing up in hawaii. president obama sought advice from frank marshall davis a member of the communist party. the president chronicles his association with mr. davis in his own book dreams from my father. well, now there is a new book, the communist, frank marshall davis, the untold story of barack obama's mentor. joining us now from pittsburgh, the author of the book dr. paul kengor who teaches political science at grove city college. mr. obama never said davis was his money tore, david. you use the word in your book title, why? >> i think he was clear laymen tore, bill. he refers to him 22 times by the name frank alone in his memoirs, dozens of more times pronounce. he is in literally every section of the memoirs. not just the first part in hawaii but obama mentions him when he gets to europe, africa, when obama gets to chicago, the first thick he does is he visualizes frank marshall davis. ironically it was davis himself who found himself professionally and politically in chicago just like obama did. so, i mean, i'm an historian and cold war