In the wake of the 2012 re-election of Barack Obama, I began to wonder how influential conservative talk radio is. Serendipitously, I received a copy of Fred V. Lucas’ new book, “The Right Frequency: The Story of Talk Radio Giants Who Shook Up the Political and Media Establishment” ($18.95, History Publishing Company). Throughout the 1980s and 90s I was a guest on television and a lot on talk radio thanks to a popular media spoof, The Boring Institute, that offered lists of The Most Boring Celebrities of the Year, the Most Boring Films, et cetera. After 9/11 I put the...