Barack Obama's campaign released an ad Tuesday responding to the Republican National Committee's independent expenditure effort on the two campaigns' energy policies.



The first visual includes a shot of George W. Bush hanging an arm around John McCain -- the first time that the Obama campaign has used a version of "the hug" in their advertising. The ad turns on a series of action phrases: Obama will "raise mileage standards," "fast track technology for alternative fuels," a "$1000 tax credit" for families as "we break the grip of foreign oil.

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