2012 Summer Olympics Best and Worst moments: Kayla Harrison defeated Brit Gemma Gibbons in the 78kg judo final to become the first American, man or woman, to win gold in judo at the Olympics. Her compatriot, Marti Malloy, earned bronze in her weight class earlier in the week and they become just the second and third women from the U.S. to medal in judo.  -- Andrea Reiher, Zap2it
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