WASHINGTON –At a joint Senate Commerce Committee and Judiciary Committee hearing Tuesday on social media privacy and the use and abuse of data, U.S. Sen. Ron Johnson (R-Wis.), chairman of the Senate Homeland Security and Governmental Affairs Committee and a member of the Senate Commerce Committee, questioned Facebook CEO Mark Zuckerberg on third-party access to user data.

A video of Sen. Johnson’s questioning can be found here and below.

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