In this Feb. 10, 1966, file photo, a general views of the Senate Foreign Relations Committee hearing on Vietnam in Washington. George Kennan, former ambassador to Moscow, is at the witness table. Committee members, from left, are: Sens. Eugene McCarthy, D-Minn., Frank Carlson, R-Kansas, Bourke Hickenlooper, R-Iowa, Chairman William Fulbright, D-Ark., Wayne Morse, D-Ore., Albert Gore, D-Tenn., Frank Lausche, D-Ohio, Frank Church, D-Idaho, Joseph Clark, Jr., D-Pa., and Claiborne Pell, D-R.I. Washington knows how to do big hearings. Dramatic congressional hearings are something of a Washington art form, a rite of democracy carefully crafted for the cameras. Suspense is building as fired FBI Director James Comey prepares to claim the microphone June 8, 2017, in an austere, modern hearing room of the Hart Senate Office Building. (AP Photo/Henry Griffin, File)