The Power of the Presidency Has Come Full Circle ROBERT DALLEK, Robert Dallek's latest book on presidential history, "An Unfinished Life: John F. Kennedy, 1917-1963," will be published in 2003 by Little, Brown.
With the Media, We Get What We Ask For NORAH VINCENT, Norah Vincent is a New York writer and a senior fellow at the Foundation for the Defense of Democracies, a think tank set up after Sept. 11 to study terrorism. Web site: www.norahvincent.com.