Donald Trump has not ruled out using force to seize Greenland from Denmark as tensions escalate between the US and NATO. The president was asked in a telephone interview on Monday if he would use military force to take Greenland if a deal could not be reached over the Danish territory. Trump gave a simple response: 'No comment.' The president ramped up pressure as he imposed tariffs on eight European nations over their support for Greenland. The tariffs will start at 10 percent next month and rise again to 25 percent in June, remaining in place until a deal is...