FILE - In this Oct. 25, 2012 file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters as he steps off his campaign bus as he arrives at a

 

              FILE - In this Oct. 25, 2012 file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters as he steps off his campaign bus as he arrives at a
FILE - In this Oct. 25, 2012 file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney waves to supporters as he steps off his campaign bus as he arrives at a campaign stop in Worthington, Ohio. President Barack Obama's and Mitt Romney's meticulously arranged travel schedules, a crucial element of their final-stretch strategies, could be upended in the last full week before Election Day by a super storm barreling toward some battleground states. (AP Photo/Charles Dharapak, File)