Notwithstanding the Internet, YouTube, and smart phones, TV remains a major influence in the lives of American children and their parents. Former FCC Commissioner Nicholas Johnson's How to Talk Back to Your Television Set, when first published, was praised by everyone from Tom Smothers to William Buckley, from John Kenneth Galbraith to Fred Friendly, among others. The technology may have changed, but many of the problems have only become worse. Fortunately,...