A NEW YORK TIMES BESTSELLER A Wall Street Journal Best Book of 2024 The CNN host and best-selling author explores the revolutions—past and present—that define the polarized and unstable age in which we live. Populist rage, ideological fracture, economic and technological shocks, war, and an international system studded with catastrophic risk—the early decades of the twenty-first century may be the most revolutionary period in modern history. But it is not the first. Humans have lived, and thrive…Show more