Check out the email below just received from Democracy for America, Howard Dean's group. They ask voters to sign a pledge to only support candidates who advocate a specific timeline for withdrawal from Iraq. Great stategy, no? - letting the enemy know exactly how long they have to hold on. -------------------- Dear , The war in Iraq began two years ago on a promise of security -- and a web of deception. Now the mistruths have fallen away -- and we see a presidency, and American prestige, sunk in a quagmire. The cost: almost 2,000 American lives lost. Over $300...