winter, it is cold. you're talking about counting on electricity, heat, any kind of power supplies that would not only contribute to the support of the civilian population but also the military. it's certainly an approach the russians have used from the very beginning, taking away the infrastructure, but it's going to be particularly important during this period of the year. >> what can ukraine and its allies in the west realistically do to either prevent that or try to circumvent some of the effects it causes. >> they've been doing quite a bit, providing air defense capabilities, destroy incoming rockets russia has been using and drones i ts they've receivem iran. unfortunately the russians have fired so many missiles, rockets,