This important opinion piece by Michelle Van Cleave deserves to read by all Americans.  She documents to degree of espionage in the United States conducted by our adversaries and allies.

The Chinese stole the design secrets to all — repeat, all — U.S. nuclear weapons, enabling them to leapfrog generations of technology development and put our [...]

Jeff Stein at CQ.com has a great story concerning why the U.S. intelligence community was almost certainly not surprised by the Russian attack on Georgia.
Stein’s key paragraphs:
As easy as it is to believe that the CIA, etc., blew another huge event, I find it impossible to accept that not one of the 127 Pentagon advisors [...]