Lewis Hamilton said he was "really happy" with his preparations for what could be the title-deciding race at the United States Grand Prix. Hamilton, who will seal a fourth title if he wins on Sunday and Ferrari's Sebastian Vettel is lower than fifth, was fastest in both practice sessions. "It is a lot of fun," said the Briton. "There was one moment in the beginning when I was shouting in my helmet. "I don't want you to hear me because it sounds silly - but I am like a kid." Hamilton, who has won four of the past five races, was 0.6 seconds quicker than Mercedes team-mate Valtteri Bottas in both sessions. Predict who will top qualifying for the United...
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