if you're going to understand what happened in the attack on Russia. You'll need a refresher course:

 You'll need a refresher course on the history of Tajikistan if you're going to understand what happened in the attack on Russia.

Allow me to explain:
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Let's start here: How long has the CIA operated in Tajikistan?
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This will help you see.
Written by the then- U.S. ambassador to Tajikistan, a man known as "Pancho".

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Memoir | 9/11: The American discovery of Tajikistan

Bags full of cash, armored cars, and an overbearing defense secretary:
The former U.S. ambassador to Tajikistan recalls the frenetic days after 9/11, when Washington suddenly discovered the country.

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Keyword search: "CIA"