Donald Trump ’s sudden retreat from his military and economic threats to seize Greenland from NATO ally Denmark shows it is still possible to block the president from further foreign policy folly.

“We need Greenland from the standpoint of national security,” President Donald Trump said on Jan. 5, “and Denmark is not going to be able to do it.” This was the icebreaker for a negotiation over ...

Icebreakers are essential for navigating Greenland's icy seas, but the U.S. faces a challenge with its limited fleet.

European Union leaders have agreed to continue dialogue with the US on issues including President Donald Trump's interest in taking control of Greenland.