Boxer gets a big boost with a personal Obama appearance for her California Senate seat.

Other successful Obama stump stops in the past few months:

• Martha Coakley, candidate for former Massachusetts Senator Ted Kennedy's seat, 2009
• Jon Corzine, Governor re-election in New Jersey, 2009
• Creigh Deeds, Governor-candidate for Virginia, 2009

(Hint: All 3 seats went to the Republican challenger.) Read more »