How do you acquire wisdom? Is it just a matter of experience? Or is something more required? Dennis has theories.

Dennis talks to Owen Anderson, professor of philosophy and religious studies at Arizona State University. Anderson is one of the three professors who defended Dennis and the idea of free speech in an open letter to the university.

Is the US still a beacon of light in a darkened world? Unfortunately, for the first time, the answer to that question is no. Dennis explains. Callers react.