How to Succeed in Business Without Really Trying (book by Abe Burrows, Jack Weinstock, Willie Gilbert; music and lyrics by Frank Loesser) is a light, bright spoof of corporate wheels and wiles, and its up-from-window-washer hero, Robert Morse, is a superlative, tousle-haired, triple-jointed comic wonder who could coax laughs out of Mt. Rushmore.
Morse (age: 30) plays J. Pierpont Finch, a lad who is eager to score on the inside, instead of scouring the outside, of the Mies van der Rohe palace that houses the World Wide Wickets Co. Finch enters the mail room armed with apple-cheeked guile and a handbook to...