
** FILE ** This Tuesday, July 3, 2007 picture shows the skyline of Washington, D.C., including the Washington Monument, the Lincoln Memorial and the U.S. Capitol. No skyscrapers jut from this low-lying federal city, allowing iconic buildings like the Washington Monument and U.S. Capitol to dominate the horizon. However, the historically sparse skyline might not stay that way. (AP Photo/Ron Edmonds)