This week on "Face the Nation," Margaret Brennan talks to acting White House chief of staff Mick Mulvaney, Senate Intelligence Committee Vice Chairman Mark Warner and 2020 Democratic presidential candidates Julián Castro and Marianne Williamson. Plus, CBS News national security correspondent David Martin reports on the U.S. military buildup against Iran.
This week on "Face the Nation," Margaret Brennan talks to acting commissioner of U.S. Customs and Border Protection Mark Morgan, Sen. Dick Durbin, former Homeland Security Sec. Jeh Johnson and NASA Administrator Jim Bridenstine. Plus, historian Douglas Brinkley with his new book, "American Moonshot."