Inifinity Ward studio head Vince Zampella was exhausted, but in a good mood, by the time we caught up with him at a Modern Warfare 2 multiplayer event last night. Zampella's been working on one of the most anticipated sequels ever, after all. (GameStop has its fingers crossed for a slice of what could be the "bestselling title of all time.") After the break, Zampella shares his feelings about straddling two brands, Call of Duty and Modern Warfare; the Wii port of the original Modern Warfare; and World at War's Zombie Mode. And, of course, he's got a few words to share about Modern Warfare 2 itself. Read on.