In his effort to detach the indispensable notion of the common good from its historical identification with the more closed, homogeneous, and static societies of the premodern past, the French political philosopher Bertrand de Jouvenel (1903-87) pointed the way towards a viable conservative liberalism. So argues Daniel J. Mahoney in this compelling introduction to the life and work of Jouvenel, one of twentieth-century France's most profound...