Security Challenges in the 21st Century Global Commons

By Tara Murphy

National defense is no longer ensured only through maintaining the sanctity of one’s borders, but is also highly dependent upon the ability to navigate safely through the global commons. These commons—sea, air, space, and cyberspace—enable militaries to protect national territory and interests, as well as facilitate the passage of goods, people, communication, and data upon which every member of the international community depends. Yet, a number of emerging trends are threatening this freedom of action.

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The Puzzle of Iraqi Mortality: Surges, Civilian Deaths and Alternative Meanings

By Christian Davenport and Molly Inman

By the end of 2006, it had become clear to most observers that the U.S. strategy in Iraq was rapidly deteriorating. During that year, Iraqi civilian fatalities began to approach 4,000 per month, and sectarian violence and al-Qaeda activity was spreading and intensifying. What was the source of the physical threat?

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