Dear Reader,What can be said about Haiti that hasn't already been said this week?Already the poorest nation in the Western hemisphere, Tuesday's earthquake has left tens of thousands dead and injured and trapped hundreds of thousands more in the rubble.This catastrophe will surely go down as one of the worst natural disasters of all time. Yet events like these tend to occur with depressing regularity.It seems like only yesterday - in fact, it's astonishing to realize it was five years ago -…See More