Wed Aug 14, 2013 8:42am EDT * Wall Street struggles for direction, volume low * Deere shares higher in premarket after results * Europe shows signs of momentum, France out of recession * Futures down: Dow 20 pts, S&P 2.1 pts, Nasdaq 3.75 pts By Ryan Vlastelica NEW YORK, Aug 14 (Reuters) – U.S. stock index futures pointed to slight losses at the open on…