Dave Davies

Sen. Edward M. Kennedy died Tuesday night of complications related to a cancerous brain tumor. In this archival interview from 2006, Kennedy spoke with guest host Dave Davies about the problem of — and possible solutions to — America's burgeoning health care costs.

Investigative journalist Jane Mayer discusses a secret CIA counterterrorism program that was reportedly concealed from Congress under direct orders from then Vice President Dick Cheney.

Journalist and lawyer Adam Liptak covers the Supreme Court for The New York Times. He gives us a roundup of this year's most important decisions — some of which were left for the final hours before summer recess.