Editor’s Note:  Cooperation among terrorist groups is dangerous, making them far more flexible and lethal in their operations. Yet such cooperation is rare, and when it occurs it can be fraught with prob...

Published by Amazon Kindle Single (2014) Reviewed by Benjamin Wittes Over the past few weeks, several members of congressional intelligence committees have intimated that Edward Snowden might have bee...

Editor’s Note: Terrorist groups typically rely on tried and true tactics such as shootings, bombings, and of course suicide attacks. These and a handful of other methods represent the vast majority of te...