"Sign of a growing front" against Donald Trump as Europe goes confrontational

President Donald Trump is heading to the World Economic Forum in the Swiss Alps on January 21, where his ambitions to wrest control of Greenland from NATO ally Denmark could tear relations with European allies. It could also overshadow his original plan to use his appearance at the gathering of global elites to address affordability issues back home. FRANCE 24's Philip Turle tells us what to know before he speaks.