By Mark A. Taylor We wanted experience from church leaders who have led their congregations to build. We were able to spend an hour with four who brought insight and a couple of warnings for any congregation considering a building campaign: Gene Appel, senior pastor with Eastside Christian Church in Anaheim, California; Gary Johnson, lead servant with The Creek in Indianapolis, Indiana; Darrel Land, senior minister with Redemption Christian Church in Jasper, Indiana; and David Vaughan, senior minister with Whitewater Crossing Christian Church in Cleves, Ohio. Here are excerpts from that conversation. Tell us about your last building project. Appel: