People like Christopher Guest's improv-based comedies — This Is Spinal Tap, Waiting for Guffman, Best in Show, A Mighty Wind — in a peculiarly self-satisfied way, confident that enjoying them means they’re in on a sophisticated joke that the ordinary Adam Sandler–liking rabble don’t get. Yet for all their small joys, Guest's films make me wish they had big ones — bigger laughs, sharper satire, more narrative drive. The actors automatically raise a smile because we've loved them so many times before. But are they the best judges of their material? Read more »