Starting this school year, students with concealed carry permits at the University of Colorado Boulder will be allowed to carry handguns in almost all areas of campus. Kirk Siegler for NPR hide caption

First lady Michelle Obama sits with guests as they eat lunch during a kids' state dinner at the White House on Monday. Saul Loeb/AFP/Getty Images hide caption

Jorge Castro, a visiting professor of Ecology from Spain, sips water in the shade of a burnt tree in New Mexico's Bandelier Wilderness area. Last year's Las Conchas fire devastated the area burning over 150,000 acres of forest. David Gilkey/NPR hide caption

Grocery auctions have been growing in popularity as a way to get a lot of food for not a lot of money. Matt Sindelar for NPR hide caption

Actress Rashida Jones says Steely Dan opened her young mind to "the mathematics of music." Vera Anderson/WireImage hide caption

An aerial view of Homestead, Fla., taken on Sept. 7, 1992, two weeks after Hurricane Andrew's 165-mile-per-hour winds took out nearly every building in the city. AP hide caption

Christians pray for Rimsha on the roof of their priest's compound. Hundreds of the girl's Christian neighbors have fled their homes, fearing attacks by Muslims. Lauren Frayer for NPR hide caption

Spc. Ben Purvis (center) helps train Afghan troops on how to use mortars in the eastern province of Kunar in June. The top U.S. commander in Afghanistan, Gen. John Allen, points to several factors in the rise of "insider attacks" on American forces. He says relations between U.S. and Afghan troops are good overall. Lucas Jackson/Reuters/Landov hide caption

Mitt Romney, the presumptive Republican presidential candidate, arrives to announce his choice of running mate aboard the U.S.S. Wisconsin in Norfolk, Va., on Aug. 11. Saul Loeb/AFP/Getty Images hide caption