Ten years after the start of the global financial crisis, markets are reacting to a very different threat. Overnight we saw a move to traditional safe havens as the rhetoric between the US an d North Korea ratchets up a notch or two. The Yen and the Swiss Franc both rose in value, gold shot up, bond prices rose, even the VIX index showed a sharp response. So, what happens next? Phil Dobbie puts the question to NAB economist Tapas Strickland.