A former Obama administration official with ties to a liberal advocacy group funded by Democratic megadonors George Soros and Tom Steyer helped prepare the Fourth National Climate Assessment, whose dire predictions have since been attacked as overblown. Andrew Light, who worked on the 2015 Paris accord negotiations as a senior adviser to the U.S. Special Envoy on Climate Change under Secretary of State John F. Kerry, served as a review editor for the assessment, overseeing the pivotal final chapter that concluded under a worst-case scenario that global warming could wipe out as much as 10 percent of the U.S. economy...