The president has repeatedly discussed his desire to "retake" the Panama Canal and take possession of Greenland.

There are other climate-related reasons for Mr. Trump to be interested in Canada and Greenland as they gain grain-growing land while we lose a chunk of ours to increasing temperatures, but it sounds just now as if Mr. Trump has shipping and the related matter of projecting naval power in mind.

Donald Trump’s campaign excursions into foreign policy were few and far between. He promised to build a stronger military and keep the country out of war. He said he would

According to experts, Greenland is “ground zero for how the Arctic has become more geopolitically and strategically significant.”