Google plans to show artificial-intelligence-powered answers on its search engine starting this week in the U.S. WSJ reporter Miles Kruppa joins host Zoe Thomas to explain why the tech giant is making the change and how it could reshape the lucrative internet-search business. Plus, defense technology startups are seeing a surge in funding. But some of their Silicon Valley backers have deep ties to China. WSJ reporter Heather Somerville discusses investors’ conflicting strategies.

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