David Guetta stands behind the tables at the Ibiza club Pacha every Thursday night this summer. Ellen Von Unwerth hide caption

Ethnic Uzbek women from Kyrgyzstan plead for help at a refugee camp in Nariman on the border with Uzbekistan. Tens of thousands of minority Uzbeks have fled their homes in the wake of ethnic violence last week in southern Kyrgyzstan. Oxana Onipko/AFP/Getty Images hide caption

Obama and Crist on the beach in Pensacola Tuesday. Mandel Ngan/AFP hide caption

Paul Carpenter, aka Popol (right), and his clown friend Kakehole run pre-show therapy sessions. Courtesy of John Lawson's Circus hide caption

Nga Thi Buscall, 60, slept on the streets of Washington, D.C., last winter. New numbers from the Department of Housing and Urban Development show that the number of homeless people actually dipped last year -- although more families were living on the street. Jacquelyn Martin/AP hide caption