Gas leak at Nord Stream 2 as seen from the Danish F-16 interceptor on Bornholm, Denmark. Photo credit: Danish Defence Command/Forsvaret Ritzau Scanpix When I wrote an open letter to you a half year ago, I urged Germany to pursue diplomacy with Russia rather than the normalization of war. Six months later, the situation in Europe is dramatically worse. Europe and Russia are slipping into open war. And in that drift, Chancellor, your responsibility is singular.