P.M. Edition for March 23. In a fiery House hearing on Capitol Hill, lawmakers questioned TikTok CEO Shou Zi Chew about potential Chinese government influence over the company, as safety and security concerns over the platform deepen. Tech policy reporter John D. McKinnon reports. Plus, senior writer Phred Dvorak explains why defining “Made in America” is key for some clean energy projects. Annmarie Fertoli hosts.

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