You may have seen that ad for the Whitney Museum's "American Century, Part II, 1950-2000" show, the one with the tag line "It's only an afternoon's commitment." It's a mistake to promote such an ambitious, sprawling exhibit as the equivalent of a sexual quickie. The ad in fact gives away the show's weakness: Although there are thrills galore, there is also a certain superficiality in the way it... More >>>