Obama campaign releases new 30-second spot responding to Clinton negative ad discounting his claim of not taking money from oil companies.
Obama ad maintains he is fending off oil special interests but tweaks language to say "Obama's the only candidate who doesn't take a dime from oil company PACs or lobbyists. Watch it above. Read script here.
The Clinton Pennsylvania ad pulls soundbite from an earlier Obama ad to deride his claim about oil company money.
"No candidate does. It's been against the law for 100 years." Watch it above.
Clinton campaign has never announced their (second) attack ad has been released.


