Caitlin Webber, US Trade Policy analyst for Bloomberg Intelligence, on impact of Trump's tariffs and outlook for a trade war. David Garrity, CEO of GVA Research, on social media giants shirking responsibility, the importance of quantum computer cybersecurity, and why trading algorithms need to be reprogrammed. Randall Rothenberg, CEO of the Interactive Advertising Bureau, discusses the rise of the brand economy, and digital media self-regulation. Jamie Butters, US autos reporter for Bloomberg, on impact of steel tariffs on the auto industry.

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