Dennis talks to John J. Ratey, MD, clinical associate professor of psychiatry at Harvard Medical School. His latest book is Spark: The Revolutionary New Science of Exercise and the Brain. A Best of Prager Hour. Originally broadcast on February 12, 2008.

Dennis talks to Dr. Stephen Marmer, member of the clinical faculty of the UCLA medical hour and psychiatrist in private practice in Brentwood. The topic is: psychological resilience. A Best of Prager Hour. Originally broadcast on December 16, 2016.

Dennis talks to Arthur Brooks, professor of public administration at Syracuse University, Who Really Cares: The Surprising Truth about Compassionate Conservatism. A Best of Prager Hour. Originally broadcast on December 28, 2006.