In it, but not of it. TPM DC

Specter's Latest Ad: Obama Really Likes Me! (VIDEO)

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"Because you know he's gonna fight for you, regardless of what the politics are."

"I love ya," Obama tells the audience, "and I love Arlen Specter."

Despite that love, Obama may not help out Specter in person before the election. Vice President Joe Biden said this morning that he'd campaign for Specter -- but wasn't sure about Obama.

The TPM Poll Average in the May 18 Senate Democratic primary shows Specter leading Sestak 44.7% to 44.0%.

Watch: