Author of six biographies: Elizabeth the Queen: The Life of a Modern Monarch (Random House 2102); For Love of Politics: Bill and Hillary Clinton: The White House Years (Random House 2007); Grace and Power: The Private World of the Kennedy White House (Random House 2004); Diana In Search of Herself: Portrait of a Troubled Princess (Random House 2004); Reflected Glory: The Life of Pamela Churchill Harriman (Simon & Schuster, 1996); In All His Glory: The Life and Times of William S. Paley and the Birth of Modern Broadcasting (Simon & Schuster, 1990).
Contributing Editor at Vanity Fair since 1996.
Previously cultural news reporter for The New York Times, staff writer for TV Guide, and reporter-researcher for Time Magazine.
Awarded the Sigma Delta Chi Distinguished Service Award for magazine reporting in 1982; fellow at the Freedom Forum Media Studies Center at Columbia University from 1986 to 1987.
B.A. from Wheaton College and M.S. from Columbia University Graduate School of Journalism.