"… there are a number of pieces of legislation where [McCain’s] views are out of the mainstream, at least in my view, of conservative Republican thought. So, for instance, he’s opposed to drilling in ANWR, I believe. …

…

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And then now McCain-Lieberman, which is a unilateral — meaning U.S.-only imposed — cap-and-trade program, which puts a burden, as much as 50 cents a gallon, on gasoline in this country. It basically says Americans are going to pay for the cost of global warming, not the Chinese and Indians and forth.

So those views are outside the mainstream of Republican conservative thought."

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— Mitt Romney, attacking John McCain as a closet environmentalist