Democratic rivals Sens. Barack Obama, D-Ill., and Hillary Clinton, D-N.Y., will square off for the last debate tonight before Pennsylvania voters got to the polls next week.
Clinton is favored to win Pennsylvania, but a new ABC NEWS/Washington Post poll finds her support nationally has further declined.
Likely Democratic voters, 51-41 percent, say they want Obama to win the nomination — his biggest advantage to date. Obama has also cleared the "electability" hurdle in Democratic minds — 62...Full Story