VIDEO: Specter goes negative on Toomey

In a sign that he must be increasingly worried about a potential primary battle against former Rep. Pat Toomey, Sen. Arlen Specter (R-PA) has released an ad whacking Toomey for his background in finance.

"As a Wall Street trader he sold risky derivatives known as credit default swaps, that same swaps that have now plunged us into this financial mess," the narrator says.

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