Georgetown,Mar.29(ANI): Four wickets in four balls from Sri Lanka's Lasith Malinga could not prevent South Africa from stumbling to an amazing one-wicket victory in a World Cup Super Eights match on Wednesday.Captain Graeme Smith struck 59 before Jacques Kallis, dropped twice, hit 86 to help top-ranked South Africa tumble over the line with 10 balls to spare despite Malinga's unprecedented World Cup haul lateon....