Wiggins targets more Olympic glory  Sir Bradley Wiggins has won
four Olympic gold medals Sir Bradley Wiggins admits there is
little chance of him winning the Tour de France again as he
prepares for a move back to track cycling.  The four-time
Olympic champion won Le Tour in 2012 but missed the event this
year due to injury and illness as Team Sky team-mate Chris
Froome secured a second consecutive British victory.  Froome had
been appointed team leader before Wiggins' absence was confirmed
so it was highly unlikely the 33-year-old would have had the
opportunity to claim a second title and he now admits his Grand
Tour ambitions are all but over.  He told The Times: "I don't
mind admitting that Chris is probably a better Grand Tour rider
than me. He is a much better climber, he can time trial as well.
He has age on his side, he has no kids. That's fine.  "If Chris
wants to, he could potentially win five tours now. So if I want
to win another tour, I'd probably have to leave the team."
Asked if he would ever le