Tiny piece of technology roiling U.S. tensions with China, Russia

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Semiconductors have emerged as a key battleground between the U.S. and Russia and the growing Cold War between the U.S. and China The chips are imperative for almost every type of technology out there today. But while American tech companies design the world's most advanced chips, none are actually made in the U.S. Almost all of them come from Taiwan. Commerce Secretary Gina Raimondo, 52, said the market failed to get it right in the case of semiconductors. Almost all of America's advanced chips are produced in Taiwan, something that could pose a national security threat. "We allowed manufacturing in...