Najaf under siege by US occupiers. Well talk about the ongoing violence and the implications if US forces destroy the Imam Ali Mosque. Activists descend on Kerrys Chicago Campaign Headquarters demanding he issue a statement on the crisis in Najaf. Venezuela readies for referendum on the policies of Hugo Chavez. Well speak to a nun and activist just back from Venezuela and play an excerpt from the radical documentary The Revolution Will Not Be Televised. And the Knight Report.