A member of Britain’s Royal Family will be in Des Moines next month.Sarah Ferguson, the Duchess of York, will headline a Weight Watchers “Super Meeting” on May 2nd. Ferguson’s voice greets you if you ring the Weight Watchers’ toll-free telephone number. Ferguson became a Weight Watchers’ spokeswoman a few years ago, after her divorce from Prince Andrew. She’ll discuss her battle with weight during next month’s meeting. The meeting’s free, but you must make reservations, and you have to be a Weight Watchers member.