"The thing I am most desperate to keep you from finding out about me is . . . I want to belong, but I do not know how." There was a time when being a part of a church was not a decision you made but a reality you inhabited. But today belonging to the church has become a lost art, especially for millennials whose church experience is often summed up in one word: none. Erin Lane's church experience might be better described in two words: "It's complicated."...