You know those shipwreck movies where the castaways end up on some island and they have to start from scratch finding food, shelter, and, let's say in the case of “Lord of the Flies,” figure out how to govern themselves? Well, “Life of Pi” makes those movies look like a vacation in Bora Bora. Ang Lee’s adaptation of Yann Martel’s best selling novel (M. Knight Shyamalan was, at one point, attached to write and direct the project) is one of the