Arcane tax rules based on carbonation levels are flattening the growth of America's craft cider industry. America's tax code is notoriously convoluted, but the complexity really sparkles when it comes to the federal government's approach to alcohol taxation. Wine, beer, and liquor are all subject to varying tax rates based on intricate calculations, but the so-called "bubble tax" for hard cider is the star of this regulatory circus. Unbeknownst to most Americans, the tax rate for alcoholic cider is based on, among other things, the amount of carbonation the drink contains. Yes, America technically already has a carbon tax and...