WASHINGTON -- With an eye on the weather forecast, President Barack Obama and Republican Mitt Romney are starting a 10-day sprint to the finish line in a contest increasingly about momentum versus math.
"Let's win this," Romney emailed supporters Saturday as he hopped a plane from one important state to another - Ohio to Florida."
"We're defying odds and holding strong," he told his backers, and urged them to contribute more money to help Republicans keep up the fight.
His running mate, Paul Ryan, was out early in rainy, chilly Ohio to visit a factory in New Philadelphia, where he told voters, "You know it's you. You know what you have in front of you. You know your responsibility."
A huge storm barreling toward the East Coast and some battleground states had both campaigns adjusting travel schedules and canceling events. Even at this late date in the campaign, neither side wanted to risk the appearance of putting politics ahead of public safety.
The president was pressing on with a campaign trip Saturday to New Hampshire.
But an email announcing that Vice President Joe Biden's Saturday rally in coastal Virginia Beach, Va., stated that the change was "being taken out of an abundance of caution to ensure that all local law enforcement and emergency management resources can stay focused on ensuring the safety of people who might be impacted by the storm."
Romney canceled a rally in Virginia Beach that was planned for Sunday, and aides said they were also considering scrapping two other events elsewhere in the state. None of Obama's campaign stops had been canceled, but he did adjust his travel schedule slightly. The campaign moved up his planned Monday departure for Florida to Sunday night to beat the storm.
With the Nov. 6 election fast approaching, Obama and Romney are tied nationally. But the president still appears to have more pathways to reaching the required 270 electoral votes.