For the first in modern history. London could be at risk of losing its control over Scotland.
On September 18, voters in Scotland will be presented with a yes/no question: Should Scotland be an independent country?
If Scots choose independence, they will have more than oil as a cash crop.
Scotland exports $6.9 billion in whiskey every year. It's second only to oil and gas. If Scotland didn't have to pay high taxes to London for every bottle sold they'd have more of it to spend.
CNN's Erin Burnett has more.