It's definitely tsuris time at the pristine white acropolis complex of the Getty, which overlooks the San Diego Freeway, and at its wonderful, freshly renovated, fake Pompeian villa up the Pacific Coast Highway. Barry Munitz, the Getty Trust's president and CEO since 1998, has been battered with press reports about apparently uncontrolled and self-indulgent personal expense-account spending of the kind that we have learned to associate with corporate malfeasance. The Getty's vast assets may result from spectacular corporate earnings, but a trust is responsible to the public -- to us! -- not to stockholders. Insider staff dissatisfaction became most evident last fall, with the sudden resignation of Getty Museum Director Deborah Gribben.