Given the task definition and input, reply with output. You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: MODERN U.S. HISTORY 
Clue: This group consisted of the Chief Justice, 4 members of Congress, & ex-heads of the CIA & the World Bank

the warren commission