The Truth About Subtle Sin By David Platt | Mar 05, 2019 Share Simple, small, subtle sin is costly not only to you but also to people around you. David Platt David Platt serves as pastor at McLean Bible Church in Washington, D.C. He is the founder and chairman of Radical. He is the author of several books, including Radical, Radical Together, Follow Me, Counter Culture, and Something Needs to Change.