ROADBLOCKER

Clinton on all six morning shows from Des Moines' fabled Drake Diner.   Stayed on message -- repeatedly touted Des Moines Register endorsement. . . batted away all questions about Obama's experience, the recent statements of her husband (a little contentiously on NBC), and Billy Shaheen (about whom she said on MSNBC, "We asked him to step down."). . . .   Newspaper clips for the war room wall: Des Moines Register/Iowans wowed by Hill-a-copter gimmick and USA Today has her addressing likability.