Memory of WWII and international relation today

In 2019-2020 memory of WWII many times became subject of bitter polemics, controversial declarations and symbolic gestures of world leaders. Vladimir Putin even published an article devoted to these issues. Why memory wars around WWII escalated exactly now? Is there anything in the legacy of that war, which can be used today in a positive way in international relation, which cause so much concern? We have invited prominent diplomats to discuss this issues with Fyodor Lukyanov and Alexey Miller during a spec