Thousands of brave lives and billions of pounds have been lost since prime minister Tony Blair, president George W Bush and their followers thought the best way to make the world a better place was to get rid of tyrants by military force. To everyone’s cost we now know that was wrong. Instead, in an off-the-cuff remark, US President Donald Trump said this week that North Korea could swap its missile launch bases for beachside condominiums – what we’d call luxury apartments. It revealed one of the strongest motives behind the North Korean tyrant’s U-turn on nuclear weaponry. Looking across...