Article Photos: Obama leads mourning for Americans killed in Libya



Republican vice presidential candidate, Rep. Paul Ryan, R- Wis. speaks at the Values Voters Summit in Washington, Friday, Sept. 14, 2012. (AP Photo/ Evan Vucci)

Republican vice presidential candidate, Rep. Paul Ryan, R- Wis. speaks at the Values Voters Summit in Washington, Friday, Sept. 14, 2012. (AP Photo/ Evan Vucci)