P.M. Edition for June 5. Researchers at Stanford found that Twitter failed to prevent known images of child sexual abuse from being posted on its platform. Twitter told researchers it has since improved its detection system. Twitter reporter Alexa Corse talks about the challenges of eliminating such content from social media. Plus, American Airlines wants to reinvent business travel. Airlines and airline travel reporter Alison Sider explains what it will mean for airfare. Annmarie Fertoli hosts.
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