The World Cup will come to the Arena de Sao Paola, shown here when it was under construction last fall. Brazil is also making a big push to control the local mosquitoes that can spread dengue fever. Friedemann Vogel/Getty Images hide caption

Foster worked as a sociology professor at Guangdong University of Foreign Studies in southern China for a total of five years before he was charged with theft and sent to jail. Courtesy of Stuart Foster hide caption

There's an idea in the Senate that it's still a chamber operating on mutual respect and goodwill between colleagues. That's why venerable traditions like "blue slips" — slips of paper senators can use to block any White House choice for judgeships in their home state — carry over today. J. Scott Applewhite/AP hide caption

A woman and her daughter shop at a Greenmarket in New York City using Electronic Benefits Transfer, or food stamps. Government data show that fewer people were receiving the benefits in February 2014 than at the peak in December 2012. Andrew Burton/Getty Images hide caption

A man cleans up the site of Tuesday's car bomb explosion in Jos, Nigeria, on Thursday. The city was spared deadly reprisals, in part because a peace group intervened. Sunday Alamba/AP hide caption