WASHINGTON – MAY 25: A passerby walks past a multi-informational digital screen depicting Santa Anna, California, at GOVSEC, the Government Security Expo and Conference at the Washington Convention Center May 25, 2005 in Washington, DC. The conference is being held to bring together government security, law enforcement and emergency responders at the federal, state and local levels who are working together to implement the Department of Homeland Security’s National Incident Management System. (Photo by Shaun Heasley/Getty Images)