That's exactly what I was just thinking. I mean, if TN whiskey can't be bourbon because of sugar maple charcoal being an active flavorant, what is sherry-cask aging? It's too late to be thinking about it. I think I'll just drink some regular ole bourbon...Sherry isn't an addition as such when bourbon is "finished" in an ex-sherry cask but the effect is the same (essentially) as if sherry is poured straight into the whiskey. Here we get into fine points of whiskey law (can you still call it bourbon on the label?) but I say leave bourbon as bourbon.