@CNN: As he prepares to testify before Congress, Facebook’s Mark Zuckerberg has to deal with a new reality: He’s not just a tech CEO, but a world leader https://t.co/zJtBWGehZJ https://t.co/uhgbeN9aKY

@CNN: As he prepares to testify before Congress, Facebook’s Mark Zuckerberg has to deal with a new reality: He’s not just a tech CEO, but a world leader https://t.co/zJtBWGehZJ https://t.co/uhgbeN9aKY