Feingold threatens Patriot Act filibuster

House and Senate Republicans have reached agreement on a compromise version of the Patriot Act, but Sen. Russ Feingold is threatening a filibuster.

Feingold, the only senator to vote against the bill in 2001, said: "I will do everything I can, including a filibuster, to stop this Patriot Act Conference Report, which does not include adequate safeguards to protect our constitutional freedoms." His statement.

Feingold and five other senators, including three Republicans, issued a joint statement calling for more changes to the act.

WashPost story.