CEOs of Facebook, Twitter, and Google testify before Senate committee

CEOs of Facebook, Twitter, and Google testify before Senate committee

Members of the Senate Commerce Committee grilled the CEOs of Facebook, Twitter and Google over how they moderate content on their platforms. Wednesday's hearing focused on the law known as Section 230, which protects social media companies from liability for content published by users. Politico technology reporter Steven Overly joined CBSN's Lana Zak to discuss.