Special to CNN
The arrests of 11 people accused of being part of an espionage ring under deep cover for Russia shocked their neighbors in the suburbs. Presumably it was also news to President Obama, coming as it did right after Russian President Dmitry Medvedev's departure.
What should not be a surprise to any of us, however, is that Russia continues to spy on the United States.
Espionage is a fact of international life and always has been. The first spy manual, The Art of War, was written by Sun Tzu some 2,500 years ago. Espionage fills a vital niche; a successful operation can provide insight into intentions, plans, and human dynamics that cannot be gleaned from intercepted communications or pictures from space.
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