Article Photos: Obama must hold GOP turf to win Northern Virginia



Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at the International Exposition Center in Cleveland, Sunday, Nov. 4, 2012. (AP Photo/Charles Dharapak)

Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns at the International Exposition Center in Cleveland, Sunday, Nov. 4, 2012. (AP Photo/Charles Dharapak)