What are semiconductors, and why are they vital to the global economy?

Historian Chris Miller, author of 'Chip War', discusses the significance of semiconductors in the global economy, the paradox of tech companies relying on a small number of chip companies, the complexities of the non-US supply chain for advanced manufacturing equipment, geopolitical risks and the impact of the pandemic on the semiconductor industry, and the implications of Moore's law on the chip industry and the future.