" To a degree that can scarcely be imagined today, the bomb became a common mode of American political expression. In 1972, there were 1,962 actual and attempted bombings in the United States, with twenty-five people killed; in 1973, 1,955 bombings, with twenty-two killed; in 1974, 2,044 bombings, with twenty-four killed. The "

― Jeffrey Toobin , American Heiress: The Wild Saga of the Kidnapping, Crimes and Trial of Patty Hearst