Chris Riegel analyzed the escalating tech competition between the US and China, focusing on Chinese AI firm Deepseek and noting its claims of superiority were potentially misleading due to non-transparency and reliance on Nvidia technology. He discussed Huawei's chip fabrication efforts and ambitions, concluding that US sanctions, particularly restricting ASML tools, keep China one to one and a half generations behind. The US scale advantage, exemplified by investments like Colossus, remains significant in the AI competition.