““So how does it happen that -- while most people instinctively try to save themselves and their families from a catastrophe -- a few slow down, look back, and suddenly reach out to strangers? Instead of fleeing in the opposite direction, a few wade into the rising waters to try to yank the drowning onto higher land. ... In the coming months and years, I would learn that -- just as there is no blood test to identify who will jump into the fray -- there is no simple biographical arc either. No resume can predict why this man or woman, at a safe remove from crisis, suddenly announces, "This is my fight.””
