GOP Candidates Debate Climate Change

Mid-way through the Des Moines Register GOP debate in Iowa Wednesday, Carolyn Washburn, editor of the Register and debate moderator, asked the candidates to raise their hands if they believe global warm is "a serious threat" that human activity is contributing to it. With the exception of Sen. John McCain, R-Ariz., global warming is an issue the Republicans rarely bring up on their own. Several hands went up, then down as former Tennessee Sen. Fred Thompson objected. He said he wouldn't raise...Full Story