From left, Andrzej Duda, President of Poland, Jens Stoltenberg, Secretary-General of the North Atlantic Treaty Organization (NATO), Vincenzo Amendola, Minister for European Affairs of Italy and Mevlut Cavusoglu, Minister of Foreign Affairs of Turkey, talk about the challenges of the North Atlantic Treaty Organization (NATO) during the 50th annual meeting of the World Economic Forum (WEF) in Davos, Switzerland, Thursday, Jan. 23, 2020. (Alessandro della Valle/Keystone via AP)