Jessica Boehm, Nathan BomeyThe TSMC facility in Phoenix, in 2023. Photo: Caitlin O'Hara for The Washington Post via Getty ImagesTaiwan Semiconductor Manufacturing Co. will invest an additional $100 billion in U.S. chips production, the company and President Trump announced Monday, adding to its existing $65 billion commitment in Arizona. Why it matters: TSMC, the world's leading chips manufacturer, wants to diversify its semiconductor manufacturing footprint outside of the political volatility ...