What retail does have in common with banking is that it is all about sales…Mack was a proud, gruff man. In the instances that I brought Purcell to a meeting he would stick to the script and do what it took. As one very senior investment banker told me, “The difference between Phil and John is that Phil understands what business we are in. When a client says get down on your knees and suck, Phil is there. John just won’t do it.