US President Donald Trump’s claim of “permanent” security control over Greenland just days ahead of a state visit by his Chinese counterpart is an effort to boost US leverage, according to analysts. However, they warned of a potential negative impact on the high-stakes talks, citing broader risks to major-power trust and peaceful Arctic development. In a social media post on Friday, Trump said: “I am pleased to announce that the United States of America has entered into an Agreement with The...