A new category of American whiskey is about to be born- or haven’t you heard?      Bourbon and American Rye are expecting a new baby brother sometime in the Fall/ Winter of this year. In late July, a Notice of Proposed Rule Making (NPRM) was added to the Federal Register by the United States Tax & Trade Bureau (TTB). The rule being considered? A definition for the category of American Single Malt Whiskey as a uniquely American form of whiskey, to be protected by government-backed assurances of quality and transparency.  American Single Malt Whiskey, made in some form