FILE - In this Aug. 14, 2012 file photo, President Barack Obama speaks during a campaign stop in Marshalltown, Iowa. Democrats are eagerly renewing their fight against privatizing Socia

 

              FILE - In this Aug. 14, 2012 file photo, President Barack Obama speaks during a campaign stop in Marshalltown, Iowa. Democrats are eagerly renewing their fight against privatizing Socia
FILE - In this Aug. 14, 2012 file photo, President Barack Obama speaks during a campaign stop in Marshalltown, Iowa. Democrats are eagerly renewing their fight against privatizing Social Security now that Republican presidential candidate Mitt Romney has picked Paul Ryan as his running mate. It was a fight that didnít go well for the GOP back when former President George W. Bush pushed the idea in 2005. (AP Photo/Charles Rex Arbogast, File)