Newt Gingrich reins himself in during final push - Ginger Gibson and James Hohmann - POLITICO.com

At a town hall here Saturday afternoon, Gingrich delivered his neatly segmented remarks on taxes, regulations and an overarching economy, but when asked to explain his position on global warming, he delivered a new line.

“I’m an amateur paleontologist,” Gingrich said. “I spend a lot of time looking at the Earth’s temperature for a very long time. I’m a lot harder to convince than just looking at a computer model.”