Sheehan posted a goodbye message Thursday, writing: "I can't post here anymore because my potential run for Congress is not on the Democratic ticket. I know a lot of you are hostile towards my candidacy."
Sheehan said earlier this week she would mount an independent campaign against Pelosi if the speaker did not initiate impeachment proceedings against President Bush within two weeks.
Daily Kos is making no apologies. Its Web site clearly states: "It's not a liberal blog. It's a Democratic blog with one goal in mind: electoral victory" for the party.