If your sister were among the nearly 3,000 people murdered in the World Trade Center on 9/11, how would you react to Osama Bin Laden's death? More specifically, if you were to write an opinion piece on the subject for a major newspaper, what would you most want to communicate?One would think that anyone who had lost a loved one on 9/11 would write about bin Laden's guilt, about evil and about experiencing some degree of moral and emotional satisfaction that the loved one's murderer had been killed by American forces.But not Robert Klitzman, a professor of psychiatry at Columbia...