He's been dubbed the "Trump whisperer," but NATO general secretary Mark Rutte struggled to get a word in Thursday as the US president mused about annexing Greenland and criticised allies over defence spending.

President Donald Trump told NATO Secretary-General Mark Rutte on Thursday that U.S. control of Greenland is necessary to enhance international security, escalating his campaign to annex the strategic Arctic island.

I think it will happen,’ the POTUS said when asked by a reporter about US’s plan of taking over Greenland. The two leaders were sitting in the Oval Office when the American leader made the proclamatio