Katrin Jakobsdottir, Iceland's prime minister, speaks to the media as she arrives at the North Atlantic Treaty Organization (NATO) summit at the military and political alliance's headquarters in Brussels, Belgium, on Wednesday, July 11, 2018. President Donald Trump opened up another front in his tussle with allies on his arrival at NATOs annual summit, targeting Germany over its support for the Nord Stream 2 gas pipeline from Russia. Photographer: Marlene Awaad/Bloomberg via Getty Images