Supporters of Republican presidential candidate Rick Perry attend a rally earlier this month in Newport Beach, Calif. Though some Republican voters have doubts about Perry, recent polls show it's not because of his stance on Social Security, which he's called a "Ponzi scheme." Kevork Djansezian/Getty Images hide caption

More than half of Americans are at risk of not having enough money for basic expenses in retirement, experts say. iStockphoto.com hide caption

A traffic circle in the heart of Amman, Jordan. Mauricio Lima/AFP/Getty Images hide caption

Tomas performs for the last time at the Monumental bullring in Barcelona. Since the end of the military dictatorship of Francisco Franco, Catalan nationalists have sought to cast off all things Castilian — referring to Spain's heartland. Manu Fernandez/AP hide caption

Peanut butter prices are up — and likely to increase again. Edward Todd/iStockphoto.com hide caption