China's Big Tech Crackdown

The Chinese government is going after its own Big Tech companies, with new rules around cybersecurity and listing shares on foreign exchanges. It’s also banned many of them from app stores, including ride-hail giant DiDi, which last week went public in New York. Dan talks with Rui Ma of China Tech Buzz about what’s changed in just the past few days, what it means for companies like DiDi and parallels to last year's fight between Trump and TikTok.