Article Photos: THE RACE: Clock ticking down on Romney veep choice



Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Central Campus High School in Des Moines, Iowa, Wednesday, Aug. 8, 2012. (AP Photo/Charles Dharapak)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns at Central Campus High School in Des Moines, Iowa, Wednesday, Aug. 8, 2012. (AP Photo/Charles Dharapak)