Like Punxsutawney Phil's shadowgazing, we can rightfully expect a new Call of Duty game to be announced annually and available at the holidays. Also like our groundhog friend, the only annual questions we must ask are in the details -- what is this year's Call of Duty about, and who's making it? It turns out that this year's Duty development, unsurprisingly, falls on Infinity Ward's shoulders -- the folks who created the much lauded Call of Duty 4: Modern Wa