Democratic presidential nominee U.S. Sen. Barack Obama (D-IL) stands with volunteer Kimberly Heretick as he speaks with a woman in her home while canvassing a neighborhood October 12, 2008 in Holland, Ohio. Republican John McCain Monday desperately sought to win back voters hit by the economic crisis and flocking in droves to Democrat Barack Obama, saying he had a plan to stop the meltdown. Photo:Joe Raedle/AFP