Joe Biden and his acolytes made a big deal about his diplomacy chops as contrasted to President Trump during the days of his 2020 presidential campaign. "America is back!" he yawped, shortly after taking office.So here's his way of making America popular abroad:ABU DHABI, Jan 15 (Reuters) - U.S. climate envoy John Kerry on Sunday outlined core principles for a "high-integrity" carbon offset plan meant to help developing nations speed their energy transition, and next steps including establishing a consultative group.The Energy Transition Accelerator (ETA), first announced at last year's COP27 climate conference, is being developed by the United States...