You may think that 2010 will go down in history as the year South Africa hosted the football World Cup but the select band of 16 or 17 Riesling producers there have another landmark to celebrate this year, when Riesling will be truly Riesling. As Jancis explains in What is Riesling in South Africa? and When is Riesling not Riesling? , up to now it has been perfectly legal in South Africa to label wines made from the dull Crouchen grape variety as Cape Riesling or even simply Riesling. Producers of the real McCoy had to label their Riesling wines as either Weisser Riesling or Rhine Riesling on the domestic market but Riesling if...