Bernie Sanders is being advised by a fan of an economic theory called MMT: Here's a plain-English guide to what it is and why it's interesting

· Bernie Sanders is being advised by Stephanie Kelton, an economist who backs "Modern Monetary Theory."
· **MMT is a big departure from conventional economic theory. It proposes governments that control their own currency can spend freely, as they can always create more money to pay off debts in their own currency.**
· **The...