sure that nato is defended. we don t want to have russia overrunning nonnato friends and putting more pressure on our allies. number 2, the chinese are watching this carefully. xi jinping is watching every move that vladimir putin takes and considering that as he decides whether or not to invade taiwan after the olympics. taiwan is a massive national security interest. it s the cork in the pacific. if taiwan falls, the pla navy flows out in to the pacific, threat tens hawaii, california, alaska. cut our allies in japan off from australia and new zealand. so we need to make sure the idea that nation states can invade their neighbors and took them over by conquest is not the new normal in international relations. it will have consequences far beyond ukraine. martha: robert o brien,