It's official: Obama will back a filibuster of any Senate FISA legislation containing telecom immunity, his campaign has just told Election Central. The Obama campaign has just sent over the following statement from spokesman Bill Burton:

"To be clear: Barack will support a filibuster of any bill that includes retroactive immunity for telecommunications companies."

As we reported here yesterday, MoveOn and a dozen top liberal bloggers were preparing to wage an aggressive campaign today to pressure Obama and Hillary to say that they'll support Chris Dodd's vow to filibuster any Senate FISA bill containing telecom immunity. And late yesterday both Obama and Hillary put out statements saying that they'd back Dodd's threatened filibuster of the current legislation that's just come out of the Senate intel committee.

Those statements, however, lacked the clarity that immunity opponents have been looking for, so today the MoveOn and lib blogger campaign has been in full swing. MoveOn emailed members this morning urging them to call Obama and Hillary and...

Tell him/her the public is counting on him/her to filibuster any bill that gives immunity to phone companies that broke the law.

Now we have Obama's answer: He'll support a filibuster of any such bill.

When informed of Obama's decision, MoveOn expressed relief. "Excellent -- this is the kind of leadership we need to see from the Democratic candidates," MoveOn spokesman Adam Green told Election Central. "Dodd, Biden, and Obama all agree. Will Clinton get on board?"