Congressional critics of President Bush's stay-the-course commitment to the war in Iraq argued Wednesday that the administration lacks sufficient troops on the ground to mount a successful counterinsurgency. Democrats in particular criticized Bush for again raising the Sept. 11 attacks as a justification for the protracted fight in Iraq after the president proclaimed anew that he plans to keep U.S. forces there as long as necessary to ensure peace. Urging patience on an American public showing doubts about his Iraq policy, Bush mentioned the deadly 2001 terrorist attacks on New York and Washington five times during a 28-minute address Tuesday...