Gospel-Driven ChurchMany evangelical churches face the problem of the open \"back door\"even as new people arrive, older members are leaving, looking for something else. Combined with this problem is the discipleship deficit, the difficult truth that most evangelicals are not reaching the unchurched at the rates they think they are. In fact, many of the metrics that we often \"count\" in the church to highlight success really don't tell us the full story of a church's