By Mike Stachura In Golf Digest’s April issue, we examined the single-length irons concept that is one of the many interesting aspects of Bryson DeChambeau’s game:Before we get overly excited about hot-shot amateur and can’t-miss pro prospect Bryson DeChambeau’s idea to make all his irons the same length, let’s remember this:(a) The idea isn’t all that new.(b) No, you can’t just take your current irons and install shafts that are the same length and be like Bryson.(c) Though it has been tried