Rep. Mike Simpson (R-Idaho) is out with his first TV ad, blasting Tea Party opponent Bryan Smith (R) as a "personal injury lawyer" and touting his conservative credentials.


"There's no defense for personal injury lawyer Bryan Smith's attempt to smear Mike Simpson's conservative record," the ad's narrator says. "The truth? Mike Simpson voted for a  balanced budget amendment to the Constitution, voted to cut spending by trillions, voted 49 times to repeal and defund ObamaCare, voted to repeal the Wall Street bailout and repay taxpayers.

"Personal injury lawyer Bryan Smith's smear? There's no defense."

Simpson is a top target of conservative groups — the Club for Growth has already been up with ads attacking him and boosting . The U.S. Chamber of Commerce has been on the air to defend him.

The primary is May 20.