Illustration: Keir Starmer, war helmet, bank note Britain’s plans for defence spending are in trouble. Global threats are rising and the money needed to counter them isn’t keeping pace. As Mark Rutte, the Nato secretary general, warned last summer, Britain and its allies should be prepared to spend more, learn Russian or move to New Zealand. As world leaders – including Donald Trump, Mark Carney and Volodymyr Zelensky – gather in Davos this week for the biggest talking shop of the year, security and def ...