America is four years into a bloody debacle in Iraq not merely because Bush and Cheney marched us in, or simply because neocon propagandists lied about Saddam's nuclear program and WMDs, and Iraqi ties to al-Qaida, anthrax attacks and 9-11. We are there because a Democratic Senate voted to give Bush a blank check for war. Democrats in October 2002 wanted the war vote behind them so they could go home and campaign as pro-war patriots. And because they did, 3,000 Americans are dead, 25,000 are wounded, perhaps 100,000 Iraqis have lost their lives, 1.6 million have fled, $400 billion...