The most outspoken critics of the $124 billion wartime spending bill in the House are facing withering support in their fight to defeat it. California Democratic Reps. Maxine Waters and Lynn Woolsey said that many of their liberal colleagues were caving under pressure from Democratic leaders who, according to at least one congressman, have threatened to block requests for new funds for his district. They also cited MoveOn.org's endorsement of the measure Monday as a blow to their efforts. "This is the process: people who feel strongly about this issue hold out as long as they can," said Waters. "A...