2013 U.S. GP Practice Two: Sebastian Vettel back on top in Austin from Mark Webber
Red Bull and Mercedes lead way; returnee Kovalainen impresses
Monday 18 November 2013 16:37, UK
Normal service was resumed both on and off track in Practice Two at the U.S. GP as Sebastian Vettel bounced back from a low-key opening session to head Red Bull team-mate Mark Webber at the top of the order.
