Posted 04/15/05 "Vanity Fair" contributing editor Christopher Hitchens and Pulitzer Prize nominee Michael Parenti participated in a debate titled "Iraq and the Future of U.S. Foreign Policy" April 18 at Wesleyans Memorial Chapel. Hitchens is an Oxford-educated self-described liberal who has become a supporter of U.S. intervention in Iraq. A former columnist for The Nation and book critic for Newsday, he is now a contributing editor for Vanity Fair magazine. His books include "Hostage to History: Cyprus From the Ottomans to Kissinger" and his most recent, "Love, Poverty and War: Journeys and Essays." Parenti, a Yale graduate, has been a…