ABC News contributor and senior national security analyst John Cohen takes a look at the national security concerns of the fallout from Nvidia's CEO ouster and

ABC News contributor and senior national security analyst John Cohen takes a look at the national security concerns of the fallout from Nvidia's CEO ouster and potential causes of the global Microsoft outages. [▻](https://video.twimg.com/amplify_video/2121065694284435456/vid/avc1/1920x1080/CVyQ7IT…