Article Photos: Obama, Romney allies square off on foreign policy



Republican vice presidential candidate, Rep. Rep. Paul Ryan, R-Wis. prepares to speak at an campaign event in Council Bluffs, Iowa, Sunday, Oct. 21, 2012. (AP Photo/Nati Harnik)

Republican vice presidential candidate, Rep. Rep. Paul Ryan, R-Wis. prepares to speak at an campaign event in Council Bluffs, Iowa, Sunday, Oct. 21, 2012. (AP Photo/Nati Harnik)