Who’s asking the questions?
Here are the committee members that are set to pose questions to Facebook’s Zuckerberg on Capitol Hill:
Senate Judiciary Committee members
Sen. Chuck Grassley, R-Iowa, Chairman
Sen. Dianne Feinstein, D-California, Ranking Member
**serves on both committees
Republicans
Sen. Orrin Hatch R-Utah, Sen. Lindsey Graham, R-South Carolina, Sen. John Cornyn, R-Texas, Sen. Michael Lee, R-Utah** ,Sen. Ted Cruz, R- Texas**, Sen. Ben Sasse, R-Nebraska, Sen. Jeff Flake, R-Arizona, Sen. Mike Crapo, R- Idaho, Sen. Thom Tillis, R- North Carolina, Sen. John Kennedy, R-Louisiana
Democrats
Sen. Patrick Leahy,D- Vermont, Sen. Dick Durbin, D-illinois, Sen. Sheldon Whitehouse, D- Rhode Island, Sen. Amy Klobuchar, D-Minnesota**, Sen. Chris Coons, D-Delaware, Sen. Richard Blumenthal, D-Connecticut**, Sen. Mazie Hirono, D-HawaiI, Sen. Cory Booker, D- New Jersey, Sen. Kamala Harris, D-California
Senate Commerce, Science and Transportation Committee members
Sen. John Thune, R-South Dakota, Chairman, Senate Commerce Committee
Sen. Bill Nelson, D-Florida, Ranking Member, Senate Commerce Committee
**serves on both committees
Republicans
Sen. Roger Wicker, R-Mississippi, Sen. Roy Blunt, R-Missouri, Sen. Ted Cruz, R-Texas**, Sen. Deb Fischer, R-Nebraska, Sen. Jerry Moran, R-Kansas, Sen. Dan Sullivan, R-Alaska, Sen. Dean Heller, R-Nevada, Sen. Jim Inhofe, R-Oklahoma, Sen. Mike Lee, R-Utah**, Sen. Ron Johnson, R-Wisconsin, Sen. Shelley Moore Capito, R-West Virginia, Sen. Cory Gardner, R-Colorado, Sen. Todd Young, R-Indiana
Democrats
Sen. Maria Cantwell, D-Washington, Sen. Amy Klobuchar, D-Minnesota**, Sen. Richard Blumenthal, D-Connecticut, Sen. Brian Schatz, D-Hawaii, Sen. Ed Markey, D-Massachusetts, Sen. Tom Udall, U-New Mexico, Sen. Gary Peters, D-Michigan, Sen. Tammy Baldwin, D-Wisconsin, Sen. Tammy Duckworth, D-Illinois, Sen. Maggie Hassan, D-New Hampshire, Sen. Catherine Cortez Masto, D-Nevada, Sen. Jon Tester, D-Montana