UPDATE 1-Olympics-Boxing-Shields takes women's middleweight gold (Reuters)

(Adds details) * Shields, 17, beats Torlopova * Takes America's only boxing gold at the Games LONDON, Aug 9 (Reuters) - American teenager Claressa Shieldsoutfoxed and outgunned Russian Nadezda Torlopova to win thefirst women's Olympic boxing middleweight gold on Thursday. Shields took the bout 19-12 at the Excel Arena in eastLondon to claim America's only gold medal in the ring at theGames after the nine men all exited before the semi-finals. The grinning Shields danced her way out of the arena to capher rise to the top from the tough streets of Flint, Michigan. ...