further, in particular, when it comes to the use of chemical or other weapons of mass destruction, including nuclear weapons. and to say, is there is a line that, if crossed, would lead to direct nato intervention? i think we're closer to that than we were four weeks ago. i hope that there is no further intervention, in fact, we all hope that the war can end as soon as possible and russian forces are withdrawn back to where they came from. but until such time, what's important is for nato to be ready to make clear that certain actions by russia are completely unacceptable and will lead to consequences. you mentioned the big fear — chemical, biological or nuclear attacks, or even an attack on a convoy in nato territory, providing military assistance before it crosses the border, but what could nato actually do then, what could the deterrence that it could spell out in the next few hours be? well, under specific