Sen. Lieberman has indicated he plans to join with Republicans to filibuster any health care bill that contains a public option. Alone, the Republicans don't have the votes for a filibuster. So by joining with them, Lieberman would be tipping the balance of power in order to sink health care reform.

We need to push the leaders of the Democratic caucus to take a tough stand against Lieberman.

"We need every vote. He's with us on everything but the war."

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