Messrs. Mortimer and Cooke, the top writers of British television "sitcoms," have turned their delightful senses of humor loose on the stage. This live sitcom is about two authors of sitcoms who are stuck for a new idea. By a neatly contrived accident, each man finds himself getting drunk with the wrong wife. Macho man Charles Summerskill winds up with a hopelessly undomestic sexpot, who is so inept in the kitchen that she burns salad; whereas wimpy Arthur Grey finds himself with a prim and proper expert chef. Charles ends up with a buxom blond and indigestion; Arthur is eating well but...