By Casey Chalk, Crisis Magazine - First Things has been running a fascinating and provocative series of articles that question the principles and beliefs of most of its readers. In May, it published “Why I Became Muslim” by one Jacob Williams, a Brit who grew up Anglican and then converted to Islam. More recently, the magazine published “Catholicism Made Me Protestant,” a reflection by Onsi A. Kamel, who grew up a “non-denominational, baptistic evangelical,” then seriously considered Catholicism before returning to Protestantism, though one more self-consciously Reformed.