The Mix Tapes of Osama bin Laden

CNN couldn't find much use for Osama bin Laden's personal collection of audiocassettes, and the FBI declined stewardship of the tapes. But now Flagg Miller, an associate professor of religious studies at the University of California at Davis, is listening, and he says there's much to be learned. Click here to download this recording.

(Related story: Before Martyrdom, Breakfast)

Tom Bartlett, a senior writer with The Chronicle, and Brock Read, a senior Web producer, take an occasional look at ideas and how they happen. Watch for new episodes periodically.