Phoenix sprawls under the desert sun. Cranes tower over a vast campus north of the city. Dust swirls where thousands of workers pour concrete and install precision machinery. This isn’t just another factory. It’s the beating heart of Taiwan Semiconductor Manufacturing Co.’s audacious push into the United States. TSMC announced in July 2026 that it would pour an extra $100 billion into Arizona. That lifts its total commitment there to $265 billio…