Article Photos: Iowa voters pick Obama in presidential election

Republican presidential candidate and former Massachusetts Gov. Mitt Romney signs shirts for children as he campaigns at the Iowa Events Center, in Des Moines, Sunday, Nov. 4, 2012. (AP Photo/Charles Dharapak)

Republican presidential candidate and former Massachusetts Gov. Mitt Romney signs shirts for children as he campaigns at the Iowa Events Center, in Des Moines, Sunday, Nov. 4, 2012. (AP Photo/Charles Dharapak)