Lewis Hamilton seized on a late mistake by Mercedes teammate Nico Rosberg to win the United States Grand Prix and secure his third Formula 1 championship. Results: 1. Lewis Hamilton GBR Mercedes-Mercedes 56 laps 2. Nico Rosberg GER Mercedes-Mercedes +2.8s 3. Sebastian Vettel GER Ferrari-Ferrari +3.3s 4. Max Verstappen NED Toro Rosso-Renault +22.3s 5. Sergio Perez MEX Force India-Mercedes +24.4s 6....