We explore the ideas and present-day relevance of 20th century theologian Reinhold Niebuhr, an influential, boundary-crossing voice in American public life. Niebuhr created the term “Christian realism:” a middle path between religious idealism and arrogance. Exploring his wide appeal, three distinctive voices describe Niebuhr’s legacy and ask what insights he brings to the political and religious dynamics of the early 21st century.

The writers Flannery O’Connor and Walker Percy, social activist Dorothy Day, and the Trappist monk Thomas Merton — all four shared a complex Catholic faith. Paul Elie takes us on a kind of literary pilgrimage through a Catholic imagination that still resonates in our time.