::—William Safire, 2002<ref>Safire, William, "On Language: A phrase that is the thin edge of a wedge." ''The New York Times, April 2002, p. E24. Safire himself was the author of a political essay that appeared in the Times April 23, 1981, p. A23, with the title ''Down the Slippery Slope.</ref> | ::—William Safire, 2002<ref>Safire, William, "On Language: A phrase that is the thin edge of a wedge." ''The New York Times, April 2002, p. E24. Safire himself was the author of a political essay that appeared in the Times April 23, 1981, p. A23, with the title ''Down the Slippery Slope.</ref> |