US Lance Armstrong waits for the start of a Tour de France leg in 2010. He stepped down as chairman of his Livestrong cancer charity as Nike broke all ties with the disgraced cycling star over ... more 

US Lance Armstrong waits for the start of a Tour de France leg in 2010. He stepped down as chairman of his Livestrong cancer charity as Nike broke all ties with the disgraced cycling star over "seemingly insurmountable evidence" of doping less