Two of history's sharpest justifications of far-ranging congressional investigations were penned during the years when Congress was probing into governmental corruption and big business. The respective authors: Justices Felix Frankfurter and Hugo Black, who last week joined the Earl Warren majority in sharply condemning the broad range of questioning pursued by the House Committee on Un-American Activities.
WROTE Harvard Law Professor Frankfurter in the New Republic in 1924, while the Teapot Dome scandal and the skulduggery of Attorney General Harry Daugherty were being revealed: "Undoubtedly, the names of people who have done nothing criminal or wrong, or nothing even offending taste perhaps,...