“Hoppers” is Pixar at its best, a story with warmth, humor, exciting action, endearing characters, and a reassuringly expansive notion of community. It has charm and a touch of magic, but it is grounded—literally. The conflict at the center of the story is between Mabel Tanaka (Lila Liu as a child, Piper Curda as a college student), who loves a stretch of pristine land populated by wildlife, and Jerry Generazzo, the town’s energetic and glad-handing mayor (Jon Hamm), who wants to build a Beaverton Beltway through the property.  (More)