North Atlantic Treaty Organization Secretary General Mark Rutte demurred on Thursday when President Donald Trump baited him into backing his dream of the United States annexing Greenland. Rutte—who has been nicknamed NATO’s “Trump whisperer”—shared laughs with the president throughout their Oval Office meeting on Thursday.

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.

NATO Secretary General, Mark Rutte refrained from commenting on President Donald Trump’s request for his assistance on the United States’ interest in taking control of Greenland. The former Dutch Prime Minister met with Trump at the White House on Thursday where they discussed issues affecting Europe,