By Martyn Herman LONDON (Reuters) - Bradley Wiggins' hopes of leading Britain to team pursuit gold at the world track championships were foiled by old rivals Australia in a thrilling final on Thursday. It looked as though Wiggins, 35, and team mates Jonathan Dibben, Ed Clancy and Owain Doull would raise the roof in the Olympic velodrome as they recovered from an early deficit but a youthful Australia outfit struck back to claim the title. Victory for Sam Welsford, Michael Hepburn, Callum Scotson and Miles Scotson was Australia's sixth world title in the event in the past 11 editions of the championships and laid down the gauntlet for this year's Rio Olympics. More...