Early one morning, for no earthly reason, Sara Miles, raised an atheist, wandered into a church, received communion, and found herself transformed-embracing a faith she'd once scorned. A lesbian left-wing journalist who'd covered revolutions around the world, Miles didn't discover a religion that was about angels or good behavior or piety; her faith centered on real hunger, real food, and real bodies. Before long, she turned the bread she ate at communion into tons of groceries, piled on the church's altar to be given away. Within a few years, she and the people she served had started nearly...