Hank Hill?

At the 45 second mark:

"If you are a socialist liberal and/or voted for the current campaigner-in-chief, please do not take this class," Keller says in the ad's closing seconds. "You've already proven that you cannot make a knowledgeable and prudent decision as required under the law. Also, if you are a non-Christian Arab or Muslim, I will not teach you this class. Once again, with no shame, I am Crockett Keller."

More.