The undeniable king of conservative talk radio during the 1990s, Rush Limbaugh spread his vituperative conservative agenda across the airwaves, making him one of the most controversial and talked-about public figures of the decade. A new era of talk radio—when programs devoted to commentary (as opposed to the traditional mixture of music and news) dominated radio programming—was ushered in through satellite technology, which allowed an AM radio program to be broadcast live across the United States (or even the world), enabling listeners nationwide to call in to a show and participate on the air. Some of these programs were devoted to sports (The Fabulous Sports Babe), while others practiced a mixture of crude sexual titillation and outrageous social commentary (Howard Stern, Don Imus). But the most popular genre of talk radio involved political commentary, and the czar of this milieu was undeniably...