Lisa Mullins speaks with British scientist and author Richard Dawkins about his latest book, "The God Delusion."

U-S State Department official Alberto Fernandez has apologized for saying US policy in Iraq displayed "arrogance" and "stupidity" in an interview on Al-Jazeera. Anchor Lisa Mullins speaks with Marc Lynch, author of "Voices of the New Arab Public: Iraq, al-Jazeera, and Middle East Politics."

Anchor Lisa Mullins speaks with New York Times correspondent Lydia Polgreen, who's just returned from a new front in the Darfur conflict.

The World's Jeb Sharp reports on the fallout from comments made in a personal web log by UN special envoy to Sudan, Jan Pronk. Pronk has left Sudan, following his expulsion by the government.