Ben Santer, an atmospheric scientist at Lawrence Livermore National Laboratory, has been targeted by climate-change skeptics.

Ben Santer, an atmospheric scientist at Lawrence Livermore National Laboratory, has had his work targeted by climate-change skeptics. JON ELSE

Back around 2003, three years before An Inconvenient Truth, Harvard geoscientist and historian of science Naomi Oreskes asked a question about climate change. Whenever it was publicly discussed, some politician or “expert” invariably materialized, claiming there was no “scientific consensus” on the subject—was that true? After reviewing 928 abstracts published in peer-reviewed journals between 1993 and 2003 with the keywords “climate change,” she got her answer. Not only was there a consensus, but it was unanimous. Her next question: Who are these “experts” claiming otherwise?…

Brend an Kiley has worked as a child actor in New Orleans, as a member of the junior press corps at the 1988 Republican National Convention, and, for one happy April, as a bootlegger’s assistant in Nicaragua....