Thinking about Rise of the Guardians, Dreamworks’ latest offering, I can’t say for sure whether Pete Ramsey mixed a heart-warming, energetic childrens’ film with a story of secular subversion or vice versa. Most likely, it’s the former; there’s little doubting that Rise of the Guardians exists first and foremost to entertain and dazzle theaters full of tykes and adults alike with impressive panache. In that respect, the film succeeds in overwhelming fashion, boasting a bright, colorful visual palette and a much-improved style of animation while giving its world life through excellent voice casting. (If, of course, your concept of Santa Claus involves Jack Donaghy’s Russian half-brother.) Put simply, there’s no denying that the…