The presidential race's final full week was turning into a scheduling nightmare as President Barack Obama and Republican Mitt Romney grappled with how to push on with campaigning while a massive hurricane churned toward the East Coast.

Parts of four competitive states were in the storm's path: Virginia, North Carolina, Ohio and New Hampshire.

Obama scrapped plans to hold three events in three states today with former President Bill Clinton. Instead Obama was to attend only a morning rally in Florida, then head back to Washington to oversee the government's emergency response.

Romney canceled a trio of Virginia events Sunday, but was scheduled to visit Ohio, Iowa and Wisconsin today. But his aides predicted more scheduling changes were on the way.