up against joe sestak. president obama is expected to campaign for specter next week. he can use a boost. the latest polls, too close to call. senator blanche lincoln is seeking her third term. she is in a hot primary race with the liberty lieutenant governor bill halter. he spend five times more than she raised and president obama has endorsed her. there is an open race in kentucky's republican primary where senator jim bunting is retiring. he supports tea party favorite rand paul. son of former republican candidate and texas candidate ron paul. the younger paul up by 12 points over trey grayson, seen ago the establishment candidate endorsed by senate republican leader, mitch mcconnell. can these anti-establishment candidates pull it off?