WASHINGTON, Aug. 20 (UPI) -- U.S. Sen. Joe Lieberman, D-Conn., may have lost the primary, but he leads in the polls and has some sharp words for his fellow Democrats. Running as an independent, Lieberman has 53 percent of the vote in a new Quinnipiac University survey over 41-percent for Ned Lamont, the winner of Democratic primary, and a mere 4 percent for Republican challenger Alan Schlesinger. The incumbent used that cushion Sunday to stick to his position that the United States should not be heading for the exits in Iraq, and to chide other party leaders for criticizing his...