TRIPLE Olympic champion Usain Bolt left the world speechless in Berlin last night after smashing the 100m world record on his way to a stunning victory in the World Championships. The 22-year-old Jamaican recorded a time of 9.58 seconds to take 0.11 off the record he broke in Beijing last year. Elsewhere, on a superb night, Britain’s Jessica Ennis claimed gold in the women’s heptathlon