Gold prices slipped in early trading as investors booked profits ahead of key U.S. data that could provide cues on the Federal Reserve's policy path next year.Futures in New York fell 0.7% to $4,305 a troy ounce, though prices remain near October's record highs supported by expectations of further easing and sustained investor demand.New York Fed President John Williams this week struck a balanced tone in his remarks following the Federal Open Market Committee decision, saying monetary policy is well placed ...