we are joined now by the historian stephen wertheim. director of grand strategy at the quincy institute and a visiting faculty fellow at the center for global legal challenges at yale law school. he is author of the book "tomorrow, the world: the birth of u.s. global supremacy." he has a new article in "the new york times headlined" "sorry, -- "the new york times" headlined "sorry, liberals. but you really shouldn't love nato." welcome. why do you talk about the nato summit, this first ever hit on china and the wait was framed in the communiquÉ, is president biden leading to a new cold war, both with china and russia? >> it is nice to be with you. i am concerned the administration may be moving toward a quite hostileosture toward china and russia simultaneously. if it is doing so, it would be merely continuing a trend from the trump administration, i must say. that said, though i think you are right spotlight what was mostemarkable about the outcom of yesterday's nato summit, namely the identificaon of china is posing "systemic challeng