A Yemeni child receives a polio vaccine in the capital city of Sanaa. The Yemen government launched an immunization campaign last month in response to the polio outbreak in neighboring Somalia.
Mohammed Huwais/AFP/Getty Images
Homeland Secretary Janet Napolitano, seen here testifying on Capitol Hill in February, announced her retirement earlier this month. As many as 15 other posts at DHS are now vacant or soon will be.
A Muslim woman walks in a Paris suburb where protesters clashed with police over the weekend. The demonstrators oppose the way the police have enforced a ban on Islamic face veils. Five people were injured and six detained in the unrest.