WASHINGTON, D.C. -- More than 250 diehard Hillary supporters were scheduled to meet this weekend at the Marriott Wardman Hotel here to plan their convention strategy. The group's online spokesperson said that the meeting, "PUMA Conference 2008," was "closed to media of any kind."

PUMA stands for "Party Unity, My Ass" -- a coalition of voters who believe the Democratic Party primary process is deeply flawed and that Democratic Party leaders have underestimated the seriousness...