US President Donald Trump, rear right with red tie, and German Klaus Schwab, rear left with blue tie, Founder and Executive Chairman of the World Economic Forum, WEF, arrive for a plenary session of the World Economic Forum in Davos, Switzerland, Tuesday, Jan. 21, 2020. The 50th annual meeting of the forum will take place in Davos from Jan. 21 until Jan. 24, 2020. (Alessandro della Valle/Keystone via AP)