<ul><li>Sarah Wynn-Williams, former Facebook policy director and author of 'Careless People', will testify at a Senate hearing next week.</li><li>She will discuss allegations of Facebook's cooperation with the Communist regime in China.</li><li>Wynn-Williams filed whistleblower complaints about the company's actions prior to publishing her book.</li><li>The hearing, titled 'A Time for Truth,' is scheduled for April 9 at 2:30pm ET.</li></ul>

'Careless People' author Sarah Wynn-Williams will testify at a Senate hearing next week

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