You would think that a movie like a 3-D conversion re-release like "Jurassic Park 3D" would be the opposite of a cure. After all, what could generate more cynicism than a 3-D re-release, the modern definition of a Hollywood money grab? Yet somehow, "Jurassic Park 3D" is exactly what weary moviegoers needed, still showing the power film has to stir the imagination and invigorate our sense of wonder.