"Go, Albert!" hollered a pudgy American with an Auburn Tigers jacket. Albert Grimaldi of Monaco urged his bobsled but finished 43rd among 46. People nonetheless cheered as Prince Albert, 33, son of Grace Kelly and Prince Ranier, arose from his sled. "Merci," he said, a shrugging thank you. Al, for whom Albertville was not named, outraced Puerto Rico and a pair of bobs from the Virgin Islands.