FILE - In this Nov. 7, 2012, file photo, Republican presidential candidate and former Massachusetts Gov. Mitt Romney, left, speaks to his running mate, vice presidential candidate, Rep. Paul Ryan, right, R-Wis., as Romney's wife Ann waves to supporters after Romney conceded the race during his election night rally in Boston. Romney and his wife Ann announce an initiative to accelerate treatment and cures for complex neurological diseases, in partnership with Boston’s Brigham and Women’s Hospital. (AP Photo/Stephan Savoia, File)