Putting in order my private library this evening (okay, I was dusting off my long neglected and decades-old collection of paperbacks) I happened across a particularly well-worn copy of The Book of Questions , by Gregory Stock. I frankly had not remembered this book, despite the split spine and loads of dog-eared pages. A quick browse through, though, jogged my memory as to why my seeming past obsession. This one without doubt certainly puts to task one's noggin. What would you do? "You are leading 100 people whose lives are in danger and you must choose between two courses of action. One would save only 90 people; the other would have a 50 percent chance of saving everyone but were it to fail everyone would die. Which would you choose?" My brain hurts just mulling over such things. I think I'd personally rather slam a Slurpee. Anyway, then there's part deux: "What if you had to choose the 10 people who would die? Would you rather have someone else in the grou...