In 1994, David Hernandez, a small-time drug-dealer in Spanish Harlem, got out of the drug business and turned his life over to God. After he joined Victory Chapel-a vibrant Bronx-based Pentecostal church-he saw his life change in many ways: today he is a member of the NYPD, married, the father of three, and still an active member of his church. David Hernandez is just one of the many individuals whose stories inform Soul Mates, which draws on both national surveys and in-depth interviews to paint a detailed portrait of the largely positive influence exercised by churches on...