Iran Nukes; Global Warming Denied; G-20 and US Banks

At the G-20 summit, revelations about a secret Iranian uranium enriching facility; what are the options for taming their nuclear ambitions? And in the march to the Copenhagen energy summit, what message does the US have for the world in terms of global warming? What about Tony, who declares global warming to be a phony issue? Many pregnant pauses follow these revelations. Can there be ever be a fix for American banking without stronger regulation? What chance is there that regulations will be established? And does Obama have buyer's remorse regarding Afghanistan? (Arianna Huffington is away.)