HARDtalk's Stephen Sackur speaks to renowned academic Gilles Kepel, an expert on Islamist terrorism in France and beyond. His work is influential in some political circles, it was cited by newly-elected French president Emmanuel Macron during the recent campaign, and controversial in others.

In the wake of the terrible suicide bombing in Manchester, a familiar question is being asked again - is the West any closer to an effective counter-terror strategy? Show less