This is a selection of essays written during the first decade of the twenty-first century, by a figure widely acknowledged as the conscience of European liberalism. In Walter Laqueur's lifetime, there have been more acutely dangerous situations, such as the coming of a world war or the seemingly unstoppable march to victory of totalitarian regimes, than in any other previous epoch. Such immediate dangers may not exist at the present time. But long-term trends are equally or even more threatening, as we now see in the ability of small groups of people, unprecedented in history, to inflict...