Is it cheating when the runner has no legs?

MANCHESTER: As Oscar Pistorius of South Africa crouched in the starting blocks for the 200 meters, the small crowd turned its attention to the sprinter who calls himself the fastest man on no legs.

He wants to be the first amputee runner to compete in the Olympics. And he is forcing international track officials to confront whether the technology of his prosthetics gives him an unfair advantage over sprinters using their natural legs.

Link: Athletics: Disabled runner makes case for competing in Olympics - International Herald Tribune