“Pixar had become the ultimate example of Hollywood synergy: the studio as star.The lamp’s bulb has been dimming, though. “Nemo” held its box-office crown only a year, thanks to ‘Shrek 2.’ Since then, Pixar releases have lost the almost-reflexive pop-cultural cachet they had had. At least some of that cachet has gone to Dream Works Animation, with its ‘Shrek’ franchise.”