When my clients commission a presentation on the Arab region, I cannot presume that they know where it is. I always start with an unmarked map of the world where a sizeable landmass, shaded green, represents the 22 countries of the Arab League. Then I ask my clients to name those countries and to place them all correctly on the map. If I collected a dollar from every one in the room who cannot do both or either of those things, I could . . . set up a sizeable philanthropic fu