In The Idea of Enlightenment, Robert Bartlett explores the roots of the contemporary dissatisfaction with the modern Enlightenment, the momentous political-philosophical project that sought to liberate politics from religious control. What is unsatisfactory about our post-Enlightenment condition, argues the author, is that the heralded "death of God" has been rapidly followed by the death of reason and, with it, the Enlightenment's hope that politics...