Do I need to revise the brandy chapter of my next book to cover this? Probably not, but I'm always up for a story about how an obscure American alcohol regulation creates demand for a bootleg product.

Why Would a Self-Respecting Booze Connoisseur Buy an Illegal, Secret Bottle From a Stranger? Two Words: “Pure White.”
The tale of a liquor so unique that, technically speaking, it doesn’t really exist.
slate.com