After two years on the campaign trail, Barack Obama ends his quest for the Presidency tonight in D.C.'s backyard. The rally, to be held in Manassas at the Prince William County Fairgrounds at 9 p.m., is Obama's final scheduled public appearance before Election Day. The event is free and open to the public, though the campaign encourages attendees to RSVP in advance. Expect metal detectors, but will they be checking names at the door? more ›