PBS News Hour

News Wrap: TikTok faces challenge over impact on children

In our news wrap Tuesday, TikTok is facing a legal challenge over its algorithm and impact on the mental health of children, President Biden is pushing the nation's water utilities to replace lead pipes within ten years, the UK's spy chief issued a warning about assassination attempts by Russia and Iran and the Nobel Prize in Physics has been awarded to two pioneers of artificial intelligence.

News Wrap: TikTok faces challenge over impact on children

5m 23s

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