Donald Trump Jr.’s private plane landed on a snowy airfield in Greenland. There was little fanfare upon his arrival, but his 14 million social-media fans were certainly tagging along. “Greenland ...

In an exclusive interview, Mette Frederiksen discusses the incident and new transatlantic tensions over NATO and Ukraine.

Ignored for most of its existence, the huge ice-bound island has been thrust into a geopolitical maelstrom. It’s trying to ...