Yes, the Senate has tied President Trump's hands on this issue with that large of a vote. That said, I think it's the right thing to do. Russia is no friend. Germany will have to do what they feel us right for Germany while we do what's right for the US.
My guess is Russia's neighbors that rely on us for protection, Poland and the Baltic countries for sure, don't agree with Germany on this but with us. Russia has become very aggressive, which is a destabilizing influence on the world scene.
There is meddling in Germany's election - not by Russia, but by U.S. Right-wing groups, German researchers say. An alliance of mostly anonymous online trolls and extremist agitators are disseminating right-wing materials through YouTube; messaging board sites like 4chan and reddit; and Gab.ai, a texting service. Source 9l.
Trump blasts Germany as being 'captive to Russia' in tiff over NATO defense spending. President Donald Trump slammed European allies at a summit of NATO leaders on Wednesday, singling out the biggest of them for economic ties to Russia while skimping on defense. Source 8z.