An independent expenditure arm of the party has begun a 10-day, $3 million ad campaign targeting Obama on energy, portrays him as saying "no" to potential energy solutions.
The 30-second spot airing in swing states attacks Obama as "just the party line." Watch it above.
The ad -- on the air in Michigan, Ohio, Pennsylvania and Wisconsin -- began during Saturday night baseball and continues through July 15.
Obama camp responds. Read statement here.
