Ali Soufan testifies from behind a black curtain and a room divider, right, to protect his identity, on Capitol Hill in 2009, during a Senate Administrative Oversight and the Courts subcommittee hearing to examine Bush administration's detention and interrogation program. Manuel Balce Ceneta/AP hide caption

A healthy gypsy moth caterpillar on a leaf. Outbreaks of gypsy moths damage roughly 1 million acres of forest in the U.S. each year. Michael Grove/Science/AAAS hide caption

Kate Frego pins the turban of her mother, Aida Essenburg. Before Essenburg died in July of this year, she sat down with a dignity therapist to record the history of her life in what became a 50-page document. Courtesy of Kate Frego hide caption

At the port at Gulfport, Miss., destruction in the aftermath of Hurricane Katrina is seen on Aug. 31, 2005. About $500 million in statewide recovery funds are now being used to rebuild the port. AP/NOAA hide caption

Defense Secretary Leon Panetta speaks to reporters after touring the National September 11 Memorial & Museum in New York City last week. Susan Walsh/AP hide caption

Large mortar shells sit unguarded, and boxes that once held anti-aircraft missiles and other heavy weapons are strewn about arms depots around Tripoli. Rebels say they've taken some ammunition, but U.S. officials and others express fears the weapons could fall into the wrong hands. Ben Hubbard/AP hide caption

NATO Secretary General Anders Fogh Rasmussen speaks in Brussels on Sept. 5. Rasmussen calls NATO's operation in Libya a success that could serve as a model in the future. Virginia Mayo/AP hide caption