Terry Gross

Conservative thinker Michael Ledeen holds the Freedom Chair at the American Enterprise Institute, but prefers the term "democratic revolutionary" to "neoconservative." He discusses the current and future U.S. policy toward Iran, arguing that the United States should encourage change from within the country, rather than launching an all-out attack.

Monsignor Doug Doussan and Sister Kathleen Pittman discuss the status of their church and the surrounding neighborhood, one year after Hurricane Katrina hit the Gulf Coast. Doussan is pastor and Pitman is pastoral associate at St. Gabriel the Archangel Catholic Church in New Orleans.

Disaster science specialist Ivor Van Heerden is the cofounder and deputy director of the Louisiana State University Hurricane Center and director of the Center for the Study of Public Health Impacts of Hurricanes. His new book is The Storm: What Went Wrong and Why During Hurricane Katrina -- the Inside Story from One Louisiana Scientist.