Unhappy EndingsBig Studios Find Quality Films Too Often Are a Losing Proposition By Sharon Waxman Washington Post Staff WriterWednesday, May 7, 2003; Page C01 LOS ANGELESWhen Amy Pascal, chairman of Columbia Pictures, gave director Spike Jonze a green light two years ago to make his offbeat film "Adaptation," she also gave him a warning: Don't go over budget, she said, or she'd have to get involved in the production. Jonze didn't exceed the $20 million budget, and the studio didn't tinker with his vision. But "Adaptation" still ended up costing a small fortune, because Sony (Columbia's parent company) spent another...