Rivalry between Trump’s United States and Xi’s China is rampant: from disagreements on trade tariffs, on Hong Kong and the Uighurs and, of course, the source of Covid-19. But underlying it all is the growing tech war between these two economic superpowers, with giants like Huawei on the battlefield. For its part, China denies access to Google, Facebook, Twitter and many other American firms. Central to this growing tech war are semiconductors - the cornerstone technology of the information age and key to the US-China tech war. Semiconductors are crucial for microchips which in turn are needed for making everything from smart phones to satellite weapons systems. Zeinab Badawi and a panel of experts answer question from listeners around the world.