Ahead of Davos, What European Leaders Think of Trump's Greenland Threats

As world leaders prepare to meet in Davos for an economic conference, many are mulling how to respond to President Trump's suggestion that the US claim Greenland. 

On Today's Show:
Matt Steinglass, Europe editor at The Economist, explains the recent news in President Donald Trump's remarks on acquiring Greenland, including that the U.S. will impose tariffs on eight European countries until the U.S. acquires the country, and Europe's response.