Lee H. Hamilton, co-chair of the 9/11 Commission

The tense balance of power that shaped the Cold War's delicate political arrangements has long since vanished. Now, the world inhabits an age of uncertainty marked by new threats posed by ruthless actors and irreversible forces. The security that the United States seeks will depend upon its response to phenomena like terrorism and the challenge of globalization. Above all, America will need to integrate its vast resources domestically and internationally to achieve success. Lee Hamilton explains how.