In most parts of the free world, you can buy a bottle of wine at your local grocery store. But not in Pennsylvania, whose weirdly anachronistic laws permit wine and liquor to be sold only in state-owned stores staffed by public employees. Over the years, many attempts have been made to reform this post-Prohibition policy, but special interests and greedy governments always have stood in the way. Finally, a breakthrough is in the works — albeit an extremely creepy breakthrough. A new pilot program allows Pennsylvania residents to buy bottles of wine from special “Pronto” vending machines in grocery stores. But there’s a catch. A few actually.