petroleum comes from russia. so how far is the west really going to go in standing up for its principles in denouncing putin and the invasion of ukraine. or will they succumb to their own economic political needs. and certainly china is surprised at how swiftly and firmly and extensively the west has imposed these sanctions on russia. and clearly, they would be very leery and concerned about similar types of sanctions against it. or it to take military action against taiwan. >> quick last question ambassador, do you think the bigger beer barrier to dealing with russia and china are economic, or the fact they are nuclear armed powers? >> i think it is a combination of the two. they certainly have economic power over the west. with many of the products that we use in our daily lives in the united states and throughout europe coming from