And Washington's crisis management handlers have some advice for him. Zuckerberg will want to have his answers down cold on policy matters likely to come up. “The short answer is I'm happy to if it's the right thing to do,” Zuckerberg told CNN about the prospect of testifying before Congress. TRUMP TRACKERPresident Trump. USTR Robert Lighthizer will testify before the Senate Finance Committee on the president’s 2018 trade policy agenda.

Source: Washington Post March 22, 2018 12:33 UTC