The U.S. ambassador is in the right. Germany is making a serious political error by sticking rigidly to implementing Nord Stream 2.
Everything is enmeshed with the trade war.
What Putin is doing with his visits and activities is to remind the protagonists of isolationism of a simple fact: No one can isolate Russia.
Even within his own circle of officials, his sellout was almost a sign of self-destruction.
Trump is the first U.S. president who seriously means to harm Europe (and Germany). Europeans cannot let this happen any longer.