SportsGolden night for Richards-Ross and USA in London 2012Nayyer KhanAugust 6, 2012August 6, 2012 by Nayyer KhanAugust 6, 2012August 6, 2012 London:Â USA’s Sanya Richards-Ross took gold in the women’s 400m with a winning time of 49.55 at the Olympic Stadium....