About This Author
Diego Gambetta is Professor of Social Theory at the European University Institute in Florence, Italy. His most recent book, coauthored with Steffen Hertog, is Engineers of Jihad: The Curious Connection between Violent Extremism and Education.
Vital reading on politics, literature, and more in your inbox
Printing Note: For best printing results try turning on any options your web browser's print dialog makes available for printing backgrounds and background graphics.