Homeland Security Secretary Janet Napolitano testified at a Senate Homeland Security and Governmental Affairs Committee hearing on the Obama administration's border security efforts along the U.S. northern and southern borders. Several senators said the terror threat level should "immediately" be raised. Other topics included a Government Accountability Office report on visa overstays and the possible weaknesses in Homeland Security procedures for identifying and apprehending individuals who overstay the terms of their entry into the U.S.