Atop a newly completed, 3.5-million-square-foot building that stands on 1,100 acres in the Arizona desert north of Phoenix is a giant logo of a microchip wafer and the letters TSMC. Taiwan Semiconductor Manufacturing Company's first Arizona chip fabrication plant, or fab, is making history because it's the most advanced chip fab on U.S. soil, and Apple has committed to being the site's largest customer. CNBC first visited the fab in 2021, not long after TSMC broke ground. The company initially a...