A foreigner's lot is often not a happy one, as even the most earnest do-gooders learn to their mortification (if not execution). The price of an innocent faux pas can be your head. Gillian Gibbons, the English schoolteacher in Sudan who allowed her pupils to call the class teddy bear "Muhammad," is the latest example. She was pardoned by the Sudanese president yesterday and flew home to Liverpool, where she will be safe if she watches her back. You can name a terrorist Muhammad, but not a teddy bear. Not everybody is as devout as the pious radicals of "the...