Bolt Says He's Ready to Prove He's 'Still a Champion'
Description:Jamaican sprinter Usain Bolt arrived in Moscow on Sunday (August 4) determined to win gold at the IAAF World Championships and prove to the world that he is "still a champion". Bolt talked to Reuters after performing a set with DJs at a Jamaican-themed party in the Puma Yard in the capital's Gorky Park. Bolt said despite the absence of some of other big-name sprinters at the competition, he was preparing for a solid perfomance at the worlds.(1:13)