Rick Warren was mentored by communitarian Peter Drucker and sits on the advisory board of the Tony Blair Faith Foundation. Tony Blair is a Fabian Socialist. Rick Warren positively quotes 3 Fabian Socialists in his book, The Purpose Driven Life. Warren also quotes no less than nine mystics in this book as well. Brannon explains why he believes Rick Warren approves of communitarianism, Fabian Socialism and mysticism.