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McCain: U.S. Can't Be Held Hostage for Oil

A top Republican lawmaker said Sunday that America must explore alternate energy sources to avoid being held hostage by Iran or by "wackos" in Venezuela — an apparent reference to Hugo Chavez, Venezuela's populist president.

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"We've got to get quickly on a track to energy independence from foreign oil, and that means, among other things, going back to nuclear power," McCain said on Fox News Sunday.