Wales take on South Africa on Sunday for a place in the Rugby World Cup final, hoping they can reverse their quarterfinal result from four years ago when a late try by then Suntory Sungoliath scrumhalf Fourie du Preez saw the Springboks home 23-19 at Twickenham Stadium in London.But as Wales coach Warren Gatland pointed out, his team will go into Sunday's game at International Stadium Yokohama (Nissan Stadium) with confidence, knowing they have won their past four tests against the two-time world champions, after winning only two of the first 31."I can't understand why people would write us…READ FULL ARTICLE