The past year has seen a resurgence of interest in the political thinker Hannah Arendt, "the theorist of beginnings," whose work probes the logics underlying unexpected transformations--from totalitarianism to revolution. A work of striking originality, The Human Condition is in many respects more relevant now than when it first appeared in 1958. In her study of the state of modern humanity, Hannah Arendt considers humankind from the...