It is simultaneously the worst political ad I’ve ever seen and the best. So I guess that makes it so bad it’s good. And it’s not exactly funny, though it is humorous. I’m talking about a 30-second television ad from Don Zimmerman, Republican candidate for Travis County tax assessor-collector. In the ad, titled “Kidneys for Taxes,” the camera quickly pans foot to head on a man (Zimmerman?) sitting in a bathtub filled with ice. A line of blood runs from the man’s midsection to the tub’s edge, where it trickles onto the floor. The voiceover — vaguely similar to the...