Generational differences are nothing new in church. There have always been groups and subgroups within a congregation, divided according to age. Yet with the possible exception of their educational programs, congregations have generally practiced a "one-size-fits-all" approach to ministry and worship. Whichever group is dominant--generally the older members, although it can be the younger--sets the tone for musical styles, preaching emphases, and outreach focus. Frequently the non-dominant groups grow restless and dissatisfied, leaving the church to find better opportunities of service and...