In thick fog on a Saturday morning, we missed the turn for Lexington. We quickly doubled back and arrived at Snow’s BBQ a little after 8 a.m., relieved to see only a short line. A half-hour earlier, when we left our motel, none of us felt hungry. But the smell of wood smoke changed our minds. We ordered thick slices of tender brisket on white bread. “That’s the best breakfast I’ve ever eaten,” said Chris Wilkins. “I could have gone home at that point and the trip would have been worth it,” said Gary Barber. Our lightning tour of the…