A hacking campaign linked to the Chinese government broke into U.S. internet-service providers in recent months, according to people familiar with the matter. It's the latest breach in a series of cyber attacks tied to Beijing. WSJ reporter Robert McMillan joins host Zoe Thomas to discuss the purpose of the campaign labeled “Salt Typhoon” and why U.S. officials are so worried. Plus, why did Google pay about $2.7 billion in a deal that brings back an AI expert who quit in frustration?

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