We&#x27;re gonna be overdue for a large war within 20 years so the pension pot of today&#x27;s millenials, or indeed, anyone&#x27;s, is going to be the least of their worries.<p>By large I mean either a world war or a big regional one - and large wars have a habit of resetting economies, technology and societies. Most likely flashpoints: Russia and&#x2F;or South East Asia.<p>Best investment - I am guessing either a New Zealand or a South American passport...