TV host Mike Rowe is known for his measured, devastating take-downs of people who attack him or his work. He has perfected the art of subtly twisting the knife in the side of critics with calm, cool language. This skill was on display Thursday when Rowe responded to a woman criticized his politics on Facebook. Rowe narrates the show “How The Universe Works” on the Science Channel. The woman, Rebecca Bright, called Rowe an “anti-education, science doubting, ultra-right wing conservative” who should be fired. “I love the show How the Universe Works, but I’m lost on how the producers and...