At the opening ceremony of the 2002 Winter Olympics in Salt Lake City, Mitt Romney (left) stands with President George W. Bush (center) and International Olympic Committee President Jacques Rogge (right) in front of the American flag that flew at the World Trade Center before the Sept. 11 terrorist attacks. George Frey/AFP/Getty Images hide caption

Eddie George, a former professional football player, plays the title role in the Nashville Shakespeare Festival's production of Julius Caesar. Jeff Frazier/Nashville Shakespeare Festival hide caption

Relying on social media, Russian activists are attempting to organize more mass rallies against the Russian government. Here, protesters staged a huge rally in Moscow on Dec. 24, 2011, alleging vote rigging in parliamentary polls. Alexander Zemlianichenko/AP hide caption

An Indian boy receives a polio vaccination from an Indian health worker in Amritsar last year. Narinder Nanu/AFP/Getty Images hide caption

Ron Paul greets supporters in Meredith, N.H., on Sunday, two days before he placed second in the state's Republican primary. Stephan Savoia/Associated Press hide caption

"It's always hard to tell exactly what [R.E.M.'s] Michael Stipe is singing about," says NPR listener and novelist Thomas Mullen. Sean Gardner/Getty Images hide caption