He converted from a liberal Democrat to a staunch neoconservative in the 1970s. On the eve of the 2000 presidential elections, Kagan and his son, Frederick Kagan, published While America Sleeps, a clarion call to increase defense spending.
Kagan is currently Sterling Professor of Classics and History at Yale. His course "The Origins of War" has been one of the university's most popular courses for twenty-five years. He lives in Connecticut.
Another son, Robert Kagan, is also active in neoconservative politics and foreign relations.
Books
The Great Dialogue: A History of Greek Political Thought from Homer to Polybius (1965)
The Outbreak of the Peloponnesian War (Cornell University Press, 1969) ISBN 0-801-40501-7
The Archidamian War (1974) ISBN 0-801-40889-X
The Peace of Nicias and the Sicilian Expedition (1981) ISBN 0-801-41367-2
The Fall of the Athenian Empire (1987) ISBN 0-801-41935-2
On the Origins of War and the Preservation of Peace (1995)
DonaldKagan is a signatory to the "Statement of Principles" of the Project for the New American Century.
DonaldKagan and his son, FrederickKagan authored the 2000 book While America Sleeps: Self-Delusion, Military Weakness, and the Threat to Peace Today, "which argues in favor of missile Defense and warns of future threats."
Donald is also the father of foreign policy analyst Robert Kagan.