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The sound you hear is the almost daily shifting of position on key environmental issues by the McCain-Palin campaign. Employing contortions worthy of an Olympic gymnast, they are seeking to escape past positions, appeal to a conservative base and yet woo the critical independent vote concerned about pure drinking water, safe food and clean air.

For example, VP candidate Sarah "what climate change" Palin, until recently, sang the Bush-Cheney tune. It does seem warmer, but that's God's will,...