Rep. John P. Murtha (D-Pa.) said Sunday that Democrats in Congress could consider impeachment as a way to pressure President Bush on his handling of the war in Iraq. “What I’m saying, there’s four ways to influence a president. And one of them’s impeachment,” Murtha, chairman of the House Appropriations defense subcommittee, said on CBS’ “Face the Nation.” Murtha has been one of the most outspoken members of Congress on the administration's handling of the war in Iraq; others who have strongly criticized Bush have stopped short of calling for impeachment. Murtha also expressed doubt that Congress and the Bush...