let's speak to kristine berzina, who's the managing director of the german marshall fund north thinks your assessment? made by joe biden, what is your assessment?— assessment? this is an important _ assessment? this is an important and - assessment? this is anj important and dramatic assessment? this is an - important and dramatic step in american foreign policy, for years now we have have seen a series of objections to significant policy decisions on the ability to develop the —— deliver weapons and now we have seen a push for the permission to use these long range atacms missiles on russian territory to deter and defend against this new wave of escalation. i think this is the most important piece. that this is a response to the inclusion of north korea as a combatant in this war. north korean troops are in russia, there are about 10,000 as we understand troops that will be actively combating in this war. this is a globalisation of this conflict. this is not by any means, a sign that moscow was interested in stepping back, slung down and trying to get to a peace table. instead it is