World leaders head for Davos as global social contract faces crisis: WEF founder

Founder and Chief Executive of the World Economic Forum (WEF) Klaus Schwab speaks at a press conference in Geneva, Switzerland, Jan. 16, 2018. Some 70 heads of state and government and 38 heads of international organizations will debate "creating a shared future in a fractured world" -- the theme of this year's World Economic Forum in Davos from Jan. 23 to Jan. 26. (Xinhua/Xu Jinquan)