Original sentence: ) The most successful pioneer in the 1990s talk radio movement was the politically conservative humorist Rush Limbaugh.Limbaugh's success demonstrated that there was a market for passionately delivered conservative (and in most cases, partisan Republican) commentary on contemporary events, and many nationally-syndicated hosts have followed Limbaugh's lead in recent years, including Sean Hannity, G.The repeal of the FCC "fairness doctrine" in 1987—which had required that stations provide free air time for responses to any controversial opinions that were broadcast—provided an opportunity for a kind of flatly partisan (and often intentionally inflammatory) programming that had not previously existed
Edited sentence: Limbaugh's success demonstrated that there was a market for passionately delivered conservative (and in most cases, partisan Republican) commentary (interspersed with insults) on contemporary events, and many nationally-syndicated hosts have followed Limbaugh's lead in recent years, including Sean Hannity, G.The most successful pioneer in the 1990s talk radio movement was the politically conservative demagogue Rush Limbaugh.The repeal of the FCC "fairness doctrine" in 1987—which had required that stations provide free air time for responses to any controversial opinions that were broadcast—provided an opportunity for demagogues and a kind of flatly partisan (and often intentionally inflammatory) programming that had not previously existed