Department of Homeland Security (DHS) Secretary Janet Napolitano (R) takes an aerial tour of the Alabama coastline near Mobile on May 11, 2010. Secretary Napolitano inspected ongoing operations to minimize the Deepwater Horizon oil spillÕs impact on public health, the environment and the economy as part of the federal governmentÕs continued oversight and emphasis on interagency coordination in response to the spill. UPI/U.S. Coast Guard