The U.S. hasn’t paid much attention to Chechnya since the early 2000s, when the Bush Administration largely declined to intervene as rebels fought a bloody war against Russia. But with the news that the suspected Boston bombers were ethnic Chechens who moved to the United States from Dagestan in 2002, it’s time to get caught up on the separatist, predominantly Muslim Caucasian province. We’ll have more soon, but here’s what to read now: