Republicans cry foul over Trump's Greenland threats: 'That's our ally!'

President Donald Trump has once again ramped up his threats to acquire the territory of Greenland from Denmark, not even ruling out potential military occupation of the island. But at least for now, key Republican figures don't appear to be willing to back him on this.

U.S. interest in acquiring Greenland, which is both vital for strategic military purposes and rich in national resources, has existed in various forms since the 19th century. But since the NATO alliance was founded, Denmark...