الإرهاب

The open declaration of Jabhat al-Nusra's affiliation with al-Qaeda only reiterates the need for U.S. leadership in helping the mainstream rebels contain the jihadists.

The number of Europeans joining the Syrian jihad is not as high as some fear, but their impact on the war and potential threat upon returning home could be disproportionately great.

As Europe debates listing Hezbollah as a terrorist entity, Washington should propose more joint actions to step up pressure on the group.

Hezbollah is watching Europe closely, much as it watched Argentina twenty-one years ago this week.

Recent cases, including the July 2012 bus bombing in Burgas, Bulgaria, have forced reluctant European leaders to seriously debate the issue of banning Hezbollah.

Given Hezbollah's long and sordid history in Europe, and the fact that it has now resumed violent operations there, what will it take to get EU member states to ban the group?

Washington Institute fellow Michael Knights contributed a chapter to the multiauthor volume Conducting Terrorism Field Research: A Guide (ed. Adam Dolnik), a detailed and practically oriented handbook on the challenges of conducting terrorist fieldwork. The book offers a collection of articles from experts representing different risk groups, disciplines, methodological approaches

Unlike with past cases, Hezbollah seems to believe that recent terrorism charges in Bulgaria and Cyprus cannot be summarily ignored.

When the Syrian uprising began in March 2011, the presence of jihadists in the protests was minimal at best. As the rebellion escalated, however, jihadists began to take advantage of the new landscape; by fall 2012, militants associated with al-Qaeda's worldview had become one of the key fighting forces against