how we train them so that they can use them effectively, and how we prevent the russians from intercepting or interdicting those weapon supplies and thus generating another chain of escalation comes to the fore. so really i think that what we re facing is that with putin playing the nuclear card, by rattling nuclear sabres, he has effectively warned off nato from further intervention and it s left us in a difficult place because we can t easily increase our involvement in this conflict without risking rapid escalation to a full-on nuclear war. speak to the dangers, too, of a man like putin. i mean if he feels cornered or threatened or if he feels he s got nothing to lose. look, that is that is the issue here. if it becomes clear that russian forces fail to achieve their objectives in the coming weeks