Article Photos: Obama, Romney views toward gun rights have evolved



Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks about the shootings in Colorado at an event in Bow, N.H., Friday, July 20, 2012. (AP Photo/Evan Vucci)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks about the shootings in Colorado at an event in Bow, N.H., Friday, July 20, 2012. (AP Photo/Evan Vucci)