President Donald Trump stressed the need to acquire Greenland as part of the U.S. for international security purposes Friday, as Vice President JD Vance conducted a trip there with second lady Usha Vance. Although the Danish territory has said it is seeking independence from Copenhagen and isn’t interested in becoming part of the U.S., Trump has repeatedly offered, dating back to his first administration, a desire to secure Greenland for the U.S. as Russian and...