* Headlines for June 28, 2007 * Tavis Smiley to Moderate First Presidential Debate to Feature Panel Consisting Entirely of Journalists of Color * Renowned Princeton Professor Cornel West Assesses the Democratic Presidential Field * In New Expose, Ken Silverstein of Harpers Magazine Goes Undercover to Find Out What US Lobbyists Do for Dictators * Historian and Ex-National Security Council Member Roger Morris: Defense Secretary Robert Gates Dealing With Blowback From Policies He Directed at CIA