The history of congressional hearings is, to say the least, a checkered one. Members of Congress have abused the hearing process to foment witch hunts, as Senator Joseph McCarthy did with the Tydings Committee to investigate the loyalty of State Department employees. More recently, members of both parties have staged hearings to play the scold, inveighing against the allegedly violence-inciting lyrics of, among others, Twisted Sister, Tupac Shakur, and Marilyn Manson—all while doing precious little to curb the sale of actual guns. At their best, however, congressional hearings can play a salutary role, shining a light on neglected public interests and exposing corporate fraud and government malfeasance. The Pecora Committee used its subpoena power to haul banksters in front of Congress in the wake of the 1929 stock-market crash, leading…
