As U.S. President Donald Trump insists his country needs Greenland for security purposes, Canada's former top soldier is warning that a U.S. takeover of the area could spell the end of the North Atlantic Treaty Organization. "We have no history of one NATO partner seizing territory from another," said retired general Wayne Eyre, formerly Canada's chief of the defence staff, in an interview with CBC's The House. "I share the Danish assessment that yes, this could be the shattering of NATO, much to [Russian President Vladimir] Putin's delight." In the aftermath of Trump's operation in Venezuela, U.S. officials have stepped...