BUSH CITES DOUBT AMERICA CAN WIN WAR ON TERROR.

Reports that U.S. President George W. Bush said he did not think America could win the war on terror, but that it could make terrorism less acceptable around the world. How the comment is a departure from earlier optimism on the issue; Comments of Bush in an NBC News program "Today" with Matt Lauer; Uncertainty over Bush's previous statements; Interpretation of Bush's remarks by White House officials; Reactions of Democrats to Bush's comments on the insurgency in Iraq, including vice-presidential candidate John Edwards; Views of analysts.