Justin Bieber is one of the world's most famous pop stars but is also decidedly more Jesusy than his day job might lead some to believe. When the young Canadian-born singer burst onto the scene, he was discovered in part by singing Christian songs on YouTube. But that is just the beginning of Bieber's faith journey, spelled out in a new book on the young star. Cathleen Falsani sarcastically self-proclaims she is the "pre-eminent Justin Bieber scholar in North America." Falsani has penned "Belieber! Fame, Faith, and the Heart of Justin Bieber," a book exploring the faith life of the...