In it, but not of it. TPM DC

Harkin: Compromise On EFCA Or Else

And at least one high level union official has suggested that if Lincoln doesn't come around and support an EFCA compromise, she may face a green party challenger, in addition to a Republican challenger, in the general election.

Specter, who's been feeling the heat, has said that he thinks the prospects for compromise are likely, while Lincoln still says she opposes EFCA's so-called "binding arbitration" section--one of the bill's less-controversial measures.