AdvertisementSenate Inquiry On Drug Prices Echoes Landmark Hearings Held 60 Years AgoFebruary 22, 2019Jay HancockfacebookEmailSen. Estes Kefauver, D-Tenn., (left) and Sen. Everett Dirksen, R-Ill., (second from left) clashed at the reopening of a Senate drug investigation in 1960 over whether witnesses could be forced to reveal business secrets while testifying. (Bettmann Archive/Getty Images)