FRONTLINE explores the bitter divide between military and civilian attitudes about where, when, and why America employs military force. In examining the gulf between what American diplomats want and what the military is prepared to deliver, correspondent Peter J. Boyer follows the inevitable collision from Vietnam to the Balkans between diplomat Richard Holbrooke and Admiral Leighton Smith. Their careers, and ultimate clash, represent the most vivid example of this critical foreign policy dilemma Special reports on FRONTLINE's web site include one examining the evolution of the doctrine on the use of military force and, a chronology of significant U.S. military interventions over the past 30 years. Also published on the site is an analysis of the new kind of diplomacy--'nation-building' backed by military might. Several top experts debate the pros and cons. The site also offers brief biographies of Holbrooke and Smith, parallel chronologies of their lives and careers, and, a selection of key readings on the issues examined in the FRONTLINE broadcast.