The United States and Europe share a common interest in addressing the growing terrorist threats from North Africa. The emergence of ISIL as a force in the region — notably in Libya, but also in Egypt and to a lesser degree in Tunisia, Algeria, and Mali — is cause for genuine concern. The ISIL challenge is compounded by the persistence of older terrorist organizations, both local ones such as the region’s various Ansar al Sharias as well as al Qaeda in the Islamic Maghreb (AQIM), al ...