Pentagon officials say they are increasingly worried that Washington's political fight over the Iraq war will dampen what has been high morale among troops fighting a tenacious and deadly enemy. Commanders are telling Defense Secretary Donald H. Rumsfeld that ground troops do not understand the generally negative press that their missions receive, despite what they consider significant achievements in rebuilding Iraq and instilling democracy. The commanders also worry about the public's declining support for the mission and what may be a growing movement inside the Democratic Party to advocate troop withdrawal from Iraq. "They say morale is very high," said...