Fights, politics, whisky, and money. All the elements of a great story, and the long-running feud between Puerto Rico and the US Virgin Islands over the rum cover over (RCO) tax breaks has them all in spades, and that story has been well-documented here and elsewhere. But it has emerged that the rum cover over story has an interesting twist, which may have repercussions not just on the rum market, but a ripple effect throughout all of beverage alcohol. More on that later.