Status of possible Democratic challengers to President Bush in 2004:
Vermont Gov. Howard Dean: Running for the Democratic nomination.
Massachusetts Sen. John Kerry: Has formed an exploratory committee; says he will announce a decision after the new year.
Connecticut Sen. Joseph Lieberman, Gore's running mate in 2000: Interested in running for president; previously has said he would not seek the Democratic nomination if Gore decided to.
Senate Democratic leader Tom Daschle of South Dakota: Interested in running; says he'll announce plans after the holidays.
Missouri Rep. Dick Gephardt: Interested in running.
North Carolina Sen. John Edwards: Has sent strong signals that he is likely run; will announce plans after the first of the year.