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Jamaica's Usain Bolt (2L) reacts after making a false start in the final of the men's 100 metres at The International Association of Athletics Federations (IAAF) World Championships in Daegu on August 28, 2011. Usain Bolt, the world's fastest man, had barely left the track after his astonishing false start in the world championships 100m final before a debate swirled over the controversial rule. A packed stadium was stunned into silence in the seconds after the preening sprint star shot too early from his blocks on August 28, as, distraught, he tore off his shirt and held his head in disbelief. The Jamaican defending world champion and world record holder was a victim of a rule in effect since January 1, 2010, meaning immediate disqualification for a false start. AFP PHOTO / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

Jamaica's Usain Bolt (2L) reacts after making a false start in the final of the men's 100 metres at The International Association of Athletics Federations (IAAF) World Championships in Daegu on August 28, 2011.   Usain Bolt, the world's fastest man, had barely left the track after his astonishing false start in the world championships 100m final before a debate swirled over the controversial rule. A packed stadium was stunned into silence in the seconds after the preening sprint star shot too early from his blocks on August 28, as, distraught, he tore off his shirt and held his head in disbelief. The Jamaican defending world champion and world record holder was a victim of a rule in effect since January 1, 2010, meaning immediate disqualification for a false start.  AFP PHOTO / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)