"Marry the Man Today," Kennedy Center, D.C. 10/22. For those unfamiliar with "Guys and Dolls," two lines that get laughs here (and always do) may need explaining. Although Miss Adelaide and Nathan Detroit remain unwed after a fourteenyear engagement, Adelaide has been writing home to mother telling her they are married and happy, with an evergrowing family and crapshooting Nathan holding down a steady job. "Mission Doll " Sister Sarah breaks down because the quote from "Isaiah" reminds her of the first time she met the man she's now in love with, Sky Masterson, when they had a disagreement about a Biblical reference.