Gilles Kepel, French political scientist and Arabist

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?