Mark Rutte's reputation as a consensus builder will be tested as soon as he takes charge at Nato

Mark Rutte became known in diplomatic circles as ‘The Trump Whisperer’ for the way he gently talked down the then US president in 2018. Photograph: Simon Wohlfahrt/Bloomberg It is testament to the skills of former Dutch prime minister Mark Rutte as an adroit handler of political relationships that he's managed to persuade a fractious 32-state Nato to back his candidacy for secretary general unanimously. The alliance has no formal naming process. As a pretty high bar, unanimity is the sole requirement. The final piece in Rutte's seven-month campaign fell into place on Thursday evening when his last serious opponent, Romanian…