The Washington Post offers 9 questions about Chechnya and Dagestan you were too embarrassed to ask.
Foreign Policy magazine offers this.
Here's a 1995 New Yorker feature on Chechnya.
At Slate, Matthew Yglesias has more. He writes: "The Tsarnaev family seems to have lived for some years in Kazakhstan before coming to the United States and Dzhokhar appears to have been born in Kyrgyzstan. That’s not an unusual trajectory for Chechens displaced by the war."
As the CIA Factbook puts it, "A determined guerrilla conflict still plagues Russia in Chechnya."
-- Bob Davis