Nato's 'Zero Gravity' Moment07:32This browser does not support the video element.07/13/2018July 13, 2018"This is a curious situation, without any other precedent in Nato history." The German Mashall Fund's Jan Techau tells DW's Brent Goff why this week's summit was so extraordinary and what US President Donald Trump fails to understand about Nato.Copy linkAdvertisement