Rand Paul’s campaign has released this ad in response to Jack Conway’s now infamous “Aqua Buddha” spot. Paul refused to shake hands with Conway following last night’s debate at the University of Louisville. “You should be ashamed of yourself,” Paul said to Conway in his opening statement. “You should apologize. Have you no decency? Have you no shame?”

Here’s the ad, which urges voters “Don’t be fooled by Conway’s desperate attack” — “gutter politics at its worst”: