By Julia Burke, Niagara Correspondent A while back I wrote about the difficulties of being a single wine taster in South Africa’s wine country, arguing that New York has a general edge when it comes to tasting room service for singles. In the interest of balance, I’d like to discuss something we can learn from the South Africans: the art of supporting local wine. Here in New York, we look for restaurants that have one or two local wines on the list – and by “local,” we’ll settle for “within the state.” Winery employees hit the road relentlessly in an…