Our churches exist in order to glorify God and to share God as revealed in Jesus Christ. Thus, worship is at the center of the congregation's life. And improvements in worship tend to spur improvements in the church's other ministries. When a church's worship is not vital, what happens to that church? Church leaders and laity know too well the dismal answer to that question. In Overflow, Lovett Weems and Tom Berlin share research-based insights...