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