Associated Press Enlarge Sebastian Vettel set the fastest time of second practice for the United States Grand Prix as Red Bull laid down a marker in Austin. Having carried out high fuel runs during a shortened morning session, Vettel was immediately on the pace at the start of FP2 and eventually set a soft tyre time of 1:37.305. That left him 0.115s clear of team-mate Mark Webber, with the Mercedes pair of Nico Rosberg and Lewis Hamilton Red Bull's closest challengers but half a second off Vettel. Rosberg ended the session 0.173s ahead of Hamilton, with the latter complaining that he still isn't getting the most out of the car as he requested more laps on low fuel. Hamilton ended up just...
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