D.C.’s most eligible singles appear to begetting younger. So it seemed, judgingby the crowd that came to the exclusive,annual black-tie Bachelors and SpinstersBall sponsored by Christopher vanRoijen at the University Club onApril 6. Is this because the exclusivesingles are meeting their future mates atthe Ball? In addition to lots of livelydancing to The Mustangs, the evening’sactivities included omelette making,leading us to wonder whether datingthese days requires singles to be versedin breakfast-making skills.