Donald Trump says he needs Greenland. He’s suggested he could buy it and he threatened tariffs on nations that didn’t support his quest to take it. Now he’s dropped the tariff threat after negotiations and he’s ruled out using military force. The US president’s approach to Greenland might be erratic but it’s all in line with his foreign policy aim to reorder the world. Today, Monica Duffy Toft from the Fletcher School at Tufts University on Trump’s bid to control the Western Hemisphere.Featured: Monica Duffy Toft, Professor of International Politics and Director of the Center for Strategic Studies at the Fletcher School at Tufts University in Boston