Oscar Pistorius, the South African sprinter, was widely expected to win the men’s 200 meter finals at the Paralympics, but he was beaten by another double amputee, Alan Oliveira. Did the rival sprinter's prosthetics offer him an unfair advantage?
London’s Paralympic Games are on track to be the biggest in history, with 11 days of competition including 4,280 athletes from 165 countries — 17 countries more than the last Paralympics in Beijing.