Among the diplomats meeting here in Bonn, there's a recognition that the person who's really key to the future progress of climate talks is not in Germany but in the White House some 6,500km (4,000 miles) away. It's not you Mr Trump, it's your official first daughter! One delegate here trilled: "What are we going to do about Ivanka?" He wasn't alone. In most of the conversations I've had here in Bonn, one name is mentioned with a nodding mixture of reverence and hope. For rich and poor countries, she's seen by many as the best bet for keeping the...