theology to issues of Christian living such as worship, joy, and missions. “They’re not going to embrace your theology unless it makes their hearts sing,” Piper told me. This positive, transformational view of theology might be why so many young evangelicals today hum along to TULIP. Even ten years ago, Piper’s ensemble boasted far fewer singers. You don’t need me to tell you that Calvinism has a bad reputation. If you consider yourself an Arminian, the rival to Calvinism that emphasizes free will over