FILE - In this July 4, 2012 file photo, Republican presidential candidate Mitt Romney and Sen. Kelly Ayotte, R-N.H. make a lemonade stop as they walk in the Fourth of July Parade in Wol

 

              FILE - In this July 4, 2012 file photo, Republican presidential candidate Mitt Romney and Sen. Kelly Ayotte, R-N.H. make a lemonade stop as they walk in the Fourth of July Parade in Wol
FILE - In this July 4, 2012 file photo, Republican presidential candidate Mitt Romney and Sen. Kelly Ayotte, R-N.H. make a lemonade stop as they walk in the Fourth of July Parade in Wolfeboro, N.H. With the campaign entering a six-week period before the national nominating conventions kick off the fall campaign, how Romney takes advantage of his assets and seeks to overcome his hurdles against President Barack Obama will partly determine whether he’s able before then to break out of what polls show is a close race. (AP Photo/Charles Dharapak, File)