Michael McCambridge is an unusual leader, honest about his shortcomings, willing to tell the full story, and apparently lacking in ego.  As he tells it, the current chairman of McCambridge Bread was not the smartest or the best person to lead his family’s business. He was just the one that happened to be there. The eldest of four, McCambridge was working with Diageo when both of his parents, John and Maureen, were in a fatal car crash in Connemara in 1994.  He was 28 and the first weeks after his parents’ death were spent, not in grief but in ensuring…