Denmark's Prime Minister, Lars Lokke Rasmussen, showed up in Singapore last week for a reality check on next month's climate change meeting in Copenhagen. The conference has been billed as the last, best hope for binding agreements to reverse climate change. Now that kind of consensus has been declared out of reach, and Hillary Clinton calls Copenhagen "a stepping stone." Poor countries want economic development to continue, and the worldwide recession has industrialized nations worried about what drastic action will cost. With legislation delayed on Capitol Hill, can President Obama still play a leadership role? What about China?