LONDON – As the struggle in Ukraine continues, one other battle – cold, but typically simply as consequential – is unfolding in Germany, the place politicians in Europe’s largest financial system and most populous nation now accuse each other of duty for failing to deter the Russian invasion.

This isn’t just an educational debate over what might have been performed to avert the most important safety disaster in Europe since World War II. For the way in which the present German political confrontation is dealt with can have profound implications on the type of assist war-torn Ukraine can count on from Europe after the weapons fall silent.