National AFL-CIO President Richard Trumka speaks to protesters in Wisconsin's Capitol rotunda Friday during a rally opposing Gov. Scott Walker's bill threatening collective bargaining rights. Mark Hirsch/Getty Images hide caption

Jeopardy contestants Ken Jennings (left), Brad Rutter and a computer named Watson. Carol Kaelson/AP hide caption

Writer Michael Frayn grew up in what he describes as "a modest but agreeable house in the outer suburbs of London." Eamonn McCabe hide caption

The Ensemble ACJW, conducted by Sir Simon Rattle (center), features musicians from the Academy, sponsored by Carnegie Hall and the Juilliard School. The violist to the right of Rattle is Nathan Schram. Jennifer Taylor/Getty Images hide caption

House Speaker John Boehner of Ohio, shown at a Thursday news conference, has done little to tamp down speculation about a government shutdown. Alex Brandon/AP hide caption

Former White House Chief of Staff Rahm Emanuel (center) stands among other mayoral candidates Carol Moseley Braun (from left), Miguel del Valle and Gery Chico before their debate on Thursday in Chicago. Brian Kersey/AP hide caption

Pierre Bensusan Courtesy of the artist hide caption