Feingold to filibuster FISA

It's being described as the most significant revision of the nation's surveillance law in three decades. The Senate is preparing to vote on rewriting the nation's Foreign Intelligence Surveillance Act and giving immunity to phone companies involved in President Bush's secret domestic spy program. We speak with Senator Russ Feingold (D - WI), who has been the leading congressional voice against the Bush administration's warrantless spy program since it was exposed nearly three years ago. [includes rush transcript]