By Jennifer Johnson Christian leaders often try to “fill the well” by reading, praying, resting, and spending time with God, and they talk about “leading out of the overflow” of a life that”s replenished by these activities. This type of spiritual development is about much more than sermon preparation, and it”s vital to strong leadership at churches of every size. J.K. Jones, pastor of spiritual formation at Eastview Christian Church in Normal, Illinois; Kelly Kastens, worship arts pastor at Mountain Christian Church in Joppa, Maryland; and Glen Schneiders, lead pastor at Crossroads Christian Church in Lexington, Kentucky, each play a