olympic gold medalist lindsey vonn

Lindsey Vonn withdraws from the Olympics with knee problems

TODAY: US gold medalist skier Lindsey Vonn says she will not compete in the Winter Olympics in Sochi this February.

Vonn, recovering from knee surgery, says ‘my knee is just too unstable to compete at this level.’

Photo: Vonn, competing at the Alpine Ski World Cup in December (Getty Images file)