“Judge Judy, also known as Judge Judith Sheindlin, is celebrating her 10th year on television, and she has never been more popular. She has one of the top programs in syndication, earning her a reported $30 million a year. Her books, with titles like "Don't Pee on My Leg and Tell Me It's Raining," and "Beauty Fades, Dumb Is Forever," have been best sellers. And she has some serious fans. Last summer, both the novelist Kurt Vonnegut and the Washington Post columnist Richard Cohen made semi-serious suggestions that she should be considered to fill Justice Sandra Day O'Connor's seat on...