Zuckerberg: 'Happy' to testify before CongressHe's set to appear before a joint hearing of the Senate Judiciary and Commerce committees on Tuesday afternoon followed by a House Energy and Commerce Committee hearing the following morning. "Our joint hearing will be a public conversation with the CEO of this powerful and influential company about his vision for addressing problems that have generated significant concern about Facebook's role in our democracy, bad actors using the platform, and user privacy," Sen. John Thune, the chairman of the Commerce Committee, Wednesday. Sen. Chuck...…Zuckerberg: 'Happy' to testify before CongressHe's set to appear before a joint hearing of the Senate Judiciary and Commerce committees on Tuesday afternoon followed by a House Energy and Commerce Committee hearing the following morning. "Our joint hearing will be a public conversation with the CEO of this powerful and influential company about his vision for addressing problems that have generated significant concern about Facebook's role in our democracy, bad actors using the platform, and user privacy," Sen. John Thune, the chairman of the Commerce Committee, Wednesday. Sen. Chuck...WW…