New York Times: Speaking to a friendly audience of environmental advocates last week, President Obama mocked members of Congress who duck the question, as he put it, of whether climate change is real by saying that they are not scientists.
I mean, Im not a scientist either, the president told the League of Conservation Voters in Washington. But Ive got this guy, John Holdren. Hes a scientist.
The line got a laugh, in part because Mr. Holdren, a physicist and the White House science adviser since the...