03/25/2011 11:16 am ET Updated May 25, 2011

Cap-And-Trade Could Be Stumbling Block For Potential Presidential Hopefuls

But [Jon] Huntsman is far from the only 2012 GOP contender who will have to explain past support for confronting climate change on the campaign trail. In point of fact, carbon regulation was not so verboten in the GOP just a few years ago.

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