Harlem Désir - France's Minister for European Affairs

In November 2015, France was placed on a war footing by president François Hollande. Security was ramped up and new legislation tabled with the aim of confronting jihadi terrorism after the so-called Islamic State attack on Paris. But have France and Europe drawn the right conclusions from the recent atrocities? Stephen Sackur talks to Harlem Désir, François Hollande's minister responsible for European affairs. Just how vulnerable is the French Republic?