With the passing of Billy Graham, the great Christian evangelist, we look in awe at the many people he brought to Christ. Chris Heaslip, Co-founder of PushPay, a software service that allows mobile payments, spoke about Billy Graham at Summit 2018. Tobin Perry, a writer at PushPay, recounts some of his remarks in an article for the eChurch Monthly newsletter published February 25, entitled “What Billy Graham’s Ministry Teaches Us…