CAPITAL IDEAS.

Focuses on Washington, D.C. and tourism after the September 11, 2001 terrorist attacks in the U.S. Discussion of security around and in the nation's capital; Mention of restricted sites and tours at the White House, the Corcoran Gallery of Art, the Pentagon, Arlington National Cemetery, the U.S. Capitol building and others; Places to visit off the National Mall, including Phillips Collection and the International Spy Museum; Description of the U Street neighborhood and local politics. INSET: DESTINATION: Getting around Washington, D.C..