NEW YORK — Now, everything changes. Just like that, George Hill gets whacked on a Tyson Chandler pick in Game 4, suffers a concussion, and suddenly a playoff series the Indiana Pacers had fully in hand turns dangerous. Nervous yet? Feeling a mild case of the jitters after the New York Knicks' 85-75 Game 5 victory in the Eastern Conference semifinals over the undermanned Pacers at Madison Square Garden? You should.