Greenland tensions continue at Davos

The World Economic Forum in Switzerland has been dominated by President Trump's ambition to take control of Greenland and his threat to impose tariffs on European countries that resist. President Macron of France accused the US of trying to weaken and subordinate Europe. Also in the programme: A new ceasefire announced in Syria; and we hear from the Ugandan opposition leader, Bobi Wine.(Picture: France's President Emmanuel Macron at the World Economic Forum in Davos, Switzerland. Credit: REUTERS/Denis Balibouse)