MONTPELLIER, France, July 13 (Reuters) - World champion Peter Sagan of the Tinkoff team won the 11th stage of the Tour de France, a 162.5-km ride from Carcassone on Wednesday. Briton Chris Froome (Team Sky), who took second place, extended his overall lead. (Reporting by Julien Pretot; Editing by Ken Ferris) More...