Julien Jourdes for The New York Times Ali Shawn and the selection of whiskeys at Bemelman's Bar in the Carlyle in New York. LYNCHBURG, Tenn. COULD this possibly be the place where the nation's — and soon, perhaps, the world's — best-selling whiskey is distilled? This cluster of anonymous, uninspiring buildings, not in Kentucky or in Scotland but in a remote, silent valley in Moore County, Tenn.? Yes, indeed. As it has been since 1866, every single drop of Jack Daniel's, seven million cases a year, is made here in Cave Spring Hollow, amid the gentle hills about 75 miles...