Weigel : Pawlenty and Gingrich on Global Warming

Gingrich, like every leading Republican candidate, has moved from the position that man causes climate change to the position that climate change is occurring. They're following the Republican base, inside of which the belief in man-made climate change is collapsing. But they have to start debating all this in front of a national electorate, which, according to Gallup, is once again solidly of the belief that climate change is man-made.