on his way to idu, he's allowed one last good-bye. >> where are you going? >> idu. a year and a half. >> i love you. >> you too, bub. >> stay out of trouble, kid. >> this will be harrison's first time on idu. with good behavior, he might not serve the entire year and a half, but that's small consolation of this cellblock, a place where the prison's most dangerous inmates seemingly spend 24 hours a day shouting threats at each other. >> he's nervous. i think he's nervous. this is his first time up here on idu, so it's nerve-wracking. >> this is smaller than a [ bleep ] regular cell. >> hopefully he'll do his year and a half, go back out to population, and straighten up, >> and if not? >> then he'll be up here longer and probably get more conduct reports. if he acts up in here, they'll probably ship him out of here. >> idu, baby! >>> shameless -- let's play "hardball." >>> good evening. i'm chris matthews in washington. let me start tonight with this. i hated the iraq war, said so when i saw it coming, have said so since. the only time i held back from that early crit