What’s really behind Trump’s deference to Putin?

Whether or not US president fits the definition of a Russian asset, his actions align closely with the Kremlin's interests

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Could Donald Trump be a Russian asset? The headline on a review in the Guardian of my new book Betrayal has provoked heated international debate. Written by the historian Lawrence Freedman, the piece generated thousands of comments from across Europe and beyond on social media. Many people responded with a single word: Duh!"

Trump's relationship with Vladimir Putin is the biggest mystery in international politics. In 2017 I wrote a book called Collusion, which set out Moscow's operation to support and cultivate Trump, going back decades. The US president, of course, denies links with Russia. But in his second term, his behaviour towards Putin has been as weird and perplexing as during his first.