you go to the actual border location, it can be pretty porous. the sky is not fenced in. when the war is fought on a nato border, this is the kind of thing that can happen unfortunately. >> what's the next move for the u.s. and nato allies to i guess chastise russia for a day of bombardment, right? and prevent this from happening again. >> yeah. so that last part is going to be the hardest thing in the middle of a hot war like this to prevent this from happening, but from a political standpoint or diplomatic standpoint, there's going to be a call for cessation of hostilities. we've seen that from the g7 countries as they were meeting in bali.