- London Olympics 2012
Poor form a worry for Farah

Mo Farah concedes he has lost his "air of invincibility", with the 5000m world champion concerned he has given his rivals fresh hope of beating him at London 2012.
Farah, one of Britain's gold-medal hopes for the forthcoming Olympics, suffered disappointment at the recent World Indoor Championships, finishing fourth in the 3000m.
Following his fourth successive defeat, Steve Cram, who won silver in the 1500m at the 1984 Los Angeles Games, said Farah's loss of form was a concern and gave Bernard Lagat - the victor in Turkey - renewed confidence ahead of the London Olympics.
Finishing outside of the medals was a huge blow to Farah's preparations, and the Somalian-born Londoner agreed with Cram's assessment.
"You want to keep winning and keep that invincibility," the 28-year-old told BBC Sport. "Steve's an athlete and I have a lot of respect for him. You don't want to lose to another athlete. Other athletes get confidence from him beating you and thinking you're not invincible any more.
"I totally agree with Steve."
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