U.S. National Security Strategy
The White House | 2010-05-01
"At the dawn of the 21st century, the United States of America faces a broad and complex array of challenges to our national security," this document states. "Just as America helped to determine the course of the 20th century, we must now build the sources of American strength and influence, and shape an international order capable of overcoming the challenges of the 21st century."
The document is referenced in the Sept. 28, 2010, WPR Feature by Michael J. Mazarr titled "The Open-Source Centure: Information, Knowledge and Intelligence in the 21st Century."