Article Photos: Manmade vs. natural: Oscar Pistorius stokes debate



  FILE - In this file photo dated Saturday, July 7, 2012, South Africa's Oscar Pistorius competes during the 400m men's event at the KBC Night of Athletics in Heusden, Belgium. The South African double amputee is going to the London 2012 Olympics, re-igniting the fierce debate over the carbon fiber blades he runs on and his right to compete alongside able-bodied athletes. (AP Photo/Geert Vanden Wijngaert, File)

FILE - In this file photo dated Saturday, July 7, 2012, South Africa's Oscar Pistorius competes during the 400m men's event at the KBC Night of Athletics in Heusden, Belgium. The South African double amputee is going to the London 2012 Olympics, re-igniting the fierce debate over the carbon fiber blades he runs on and his right to compete alongside able-bodied athletes. (AP Photo/Geert Vanden Wijngaert, File)