CHAPTER 1HOMELAND SECURITYThe American Tradition

Provide for the Common Defense.

U.S. Constitution

CHAPTER OVERVIEW

Many Americans assume the 9/11 attacks represented an entirely new and unprecedented danger, that in decades past the isolation provided by two oceans had kept the homeland secure. This assumption is largely wrong. Tens of thousands of miles of border and coastline, wealth and resources, vast territory, a diverse population, and open civil society have long made the civilian population of the United States a tempting target.

The words of the U.S. Constitution, which established the new republic, that a foundation of governance was to “provide for the common defense,” have never lost their relevance. To some degree, every generation ...

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