House Republicans sought a showdown Friday with Democrats on a proposal by one of their most senior members to force an end to the U.S. deployment of troops in Iraq. Rep. John Murtha, D-Pa., offered the resolution demanding a pullout. The GOP-run House was expected to reject it _ and make a prominent statement about where Congress stands on Iraq _ as the chamber scurried toward a Thanksgiving break. "We'll let the members debate it and then let them vote on it," said Rep. Roy Blunt, R-Mo., the acting majority leader. House Minority Leader Nancy Pelosi's office had no immediate...