On March 4, shortly after noon, Helen Terwilliger, 13, sat comfortably in her eighth grade U. S. history class in the Walden, N. Y., public school. She was primed for what she was about to hear over the radio. She had memorized the Presidential oath, as prescribed by the Constitution, and was positive it ended with the words: "Preserve, protect and defend the Constitution of the United States."
Alert, clear-eyed, sharp-eared, she heard Chief Justice Taft begin the oath: "You, Herbert Hoover, do you solemnly swear . . ." And what was her amazement to hear him conclude, "preserve, maintain and...