By Sasha Smith, NYC Correspondent OK, I admit it. I’ve been feeling a little smug lately. Maybe it was the fact that I did pretty well on my study group’s blind tasting exercise. Or that I devoted a good part of my President’s Day to researching the slopes and soils of Burgundy. Or perhaps it’s just that many of the wines we’ve looked at to date, from Alsatian Rieslings to Southern Rhône reds, happen to be wines I drink frequently. Whatever the reason, up until yesterday I thought I would have no serious problem passing this test. But yesterday’s class…