Last month's siege of a Paris kosher grocery store by a homegrown jihadist comes in the context of a doubling in anti-Semitic acts across France. Since then, there's been the desecration of a Jewish cemetery by teenagers in Alsace, as well as the reiteration of calls by Israel's Prime Minister Benjamin Netanyahu to emigrate to his country. So what exactly is the current climate in France, and how does it compare to the rest of Europe?