Stoner: Risks and wins will decide title

Casey Stoner says consistency won't be enough to win the 2011 MotoGP World Championship, the series leader admitting 'risks' will still need to be taken to keep his rivals behind him.The Australian heads into the mid-season summer break having won five of the ten races thus far and has finished off the podium just once, when he retired during the Spanish Grand Prix.Currently 20 points clear of