Busloads of antiwar demonstrators from a hundred American cities rallied in the District yesterday, calling for an end to the U.S.-led occupation of Iraq and demanding an immediate withdrawal of American troops. Protesters from Maine and Colorado beat drums and chanted "Bring them home and impeach Bush" as they marched past the White House and the Justice Department yesterday afternoon. Many carried homemade placards that read, "Never Prouder to be a Non-Republican" and "Bush Lied — Americans Died." Some donned fanciful costumes to underscore their views. Dr. Alan Meyers, a pediatrician from Boston, came to the rally dressed as a...