Usain Bolt Wins Gold In 100-Meter Dash, Breaks Own Olympic Record
• http://www.businessinsider.com, Tony ManfredUsain Bolt just won his second-straight 100-meter gold medal in an Olympic record 9.63 seconds. A lot of people thought fellow Jamaican Yohan Blake would beat him, but in the end it wasn't even all that close. Blake got the silver, and USA's Justin G