It's a billion degrees outside, and all I want to do is drink. That's where John Johnson, the owner of the Wine Rack (2632 Frankfort Ave.), comes in. To help beat the heat, Johnson suggests a 2007 riesling from New Zealand. He says that in 1973, Hermann Seifried was the first to plant vineyards in that country's Nelson region, near Marlborough on the southern island's northern tip.