The Bush administration has decided to propose listing the polar bear as threatened under the Endangered Species Act, putting the U.
Sen. Joe Lieberman (D-Conn.) has relinquished his position as co-chairman of the Senate Centrist Coalition, halting talks with co-chairwoman Sen. Olympia Snowe (R-Maine) over the future of the organization in favor of creating his own bipartisan group with Sen. Lamar Alexander (R-Tenn.