Dennis Prager is an American conservative talk radio host, author, and public speaker. He is best known for his nationally syndicated radio show, "The Dennis Prager Show," which covers a variety of political, social, and cultural topics from a conservative perspective. Prager is also the co-founder of the online platform PragerU, which produces short educational videos on various subjects. In addition to his radio work, Prager has written several books, including "Still the Best Hope" and "The Rational Bible." He often discusses themes related to American values, freedom, and morality, aiming to promote a conservative viewpoint in public discourse.