>> japan is not. they're paniced because they see the defense relationship with the u.s. as key. that's why they're not worried about change in u.s. president. threw got on a plane and said we've got work with you. but the chinese see opportunity. one of the biggest problems with the taiwan call, american allies in asia, what's the consistency? china sees a big opportunity to become a bigger leader in the region while american allies are saying you can't count on the americans. that's a very big problem for us. >> fascinating. thank you all. next on gp "s," why are america's ninth graders ranked 39th in the world in math? we'll explain.