“Shallow Hal” opens today and it stars the man who has inspired statements like “Jack Black is literally the most unobstructed fire hose of white-hot mega-talent I have ever known or seen” and “Black, in his first big-time starring role, struts through with the blissful confidence of a man who knows he was born for stardom.” So is Jack Black’s stardom really preordained? I can’t wait to see where his career goes.