The winners of the 2003 Pulitzer Prize for international reporting tell the astonishing story of Mary Clarke. At the age of fifty, Clarke left her comfortable life in suburban Los Angeles to follow a spiritual calling to care for the prisoners in one of Mexico's most notorious jails. She actually moved into a cell to live among drug king pins and petty thieves. She has led many of them through profound spiritual transformations in which they turned away from their lives of crime, and has deeply touched the lives of all who have witnessed the depth of her compassion. Donning a nun's habit, she...