Kelly asked Rubio if the U.S. will own Greenland — whose ruling party actually wants the island to be independent — by the end of Trump’s second term. “We’ll see,” he replied, adding that Americans can “rest assured” that U.S. interests in Greenland, the Panama Canal and elsewhere will be “more secure” by that time.

U.S. Secretary of State Marco Rubio said Thursday that President Donald Trump's plan to buy Greenland was "not a joke."