Why Trump wants to take over Greenland

Greenland’s sovereignty could be under threat, after the White House declared using the US military to take control of the island is ‘always an option.’ It comes after President Donald Trump revived his long-running push to seize the Arctic island. European leaders have hit back issuing a rare joint statement rejecting any threat to Greenland’s sovereignty. Today, an expert on Arctic politics on what’s really behind Donald Trump’s long-term desire to annex Greenland and what it could mean for the future of NATO. Featured: Stephen Lamy, Professor Emeritus of International Relations at the University of Southern California