Athletics: It ain't easy...less than 10 percent of champions retain title

IMAGE: Usain Bolt dances samba at a press conference in Rio de Janeiro. Photograph: Nacho Doce/Reuters. Usain Bolt has somewhat skewed the picture by making it look so easy but when it comes to......

Bolt fires another Olympic warning

Jamaica's Usain Bolt laid down another marker for the Beijing Olympics when he ran the fastest 200 meters of the year so far at the Athens Grand Prix on Sunday. The 21-year-old, who broke the 100......