Trump's Greenland ambitions dominate Davos

From the BBC World Service: It's day two of the annual World Economic Forum in Davos, Switzerland, where President Donald Trump's goal of acquiring Greenland continues to preoccupy European leaders, as he attempts to project military and economic power over NATO allies. The president of the European Commission described fresh tariffs as a "mistake" and warned the response would be "unflinching." Also on this morning's program: a look at tourism in Japan and ghosting in the job market.