New York Times: After two decades of talks that failed to slow the relentless pace of global warming, negotiators from almost 200 countries are widely expected to sign a deal in the next two weeks to take concrete steps to cut emissions. The prospect of progress, any progress, has elicited cheers in many quarters. The pledges that have already been announced represent a clear and determined down payment on a new era of climate ambition from the global community of nations, said Christiana Figueres, executive...