Times have not been kind to democracy. This book is in its defense. In the new century, the triumph of democracy at the end of the Cold War turned to retrenchment. The core democracies, in America and Britain, succumbed to polarization and misrule. Dictatorships, such as China, made themselves assertive. New democracies in Central Europe turned to muddled ideologies of "illiberal democracy." In this book, Stein Ringen offers a meditation on what democracy...