HIRSCHORN, MICHAEL.  Former editor in chief of Spin magazine and later contributing editor to The Atlantic. Entry originally published in Slate. Later included in The Slate Diaries, edited by Jodi Kantor, Cyrus Krohn, and Judith Shulevitz. Introduction by Michael Kinsley. New York, Perseus Book Group, 2000. Copyright © 2000 by Michael Kinsley. Reprinted by permission of PublicAffairs, a member of the Perseus Books Group.