AUSTIN, Texas (AP) — Lewis Hamilton further tightened his control on the Formula One season championship Sunday, winning the U.S. Grand Prix ahead of title rival Sebastian Vettel, who finished second in a race he said he had to win. The Mercedes driver continued his absolute dominance of the Circuit of the Americas, winning at the track for the fifth time since 2012 and fourth year in a row. The victory extended Hamilton's championship lead over Vettel to 66 points with three races left.Read more on NewsOK.com