With Disney/Pixar's latest animated feature "Up!" about to premier in theaters, I thought this would be the perfect time to visit another film featuring a little boy who takes flight, courtesy of a huge bouquet of colorful, helium-filled balloons. "The Red Balloon" (1956, Albert Lamorisse) is a short French film that I originally saw on a grade-school field trip to the public library (on a double-bill with the Chuck Jones animated "The Phantom Tollbooth"). This charming little film, telling…