Why Azerbaijan and Armenia Fight With Such Tenacity

Conflict over Nagorno-Karabakh has broken out repeatedly since Armenians seized control of the territory and surrounding areas from Azerbaijan, in a war that started soon after the 1991 collapse of the former Soviet Union, killing more than 30,000 people and displacing another 1 million. Despite decades of mediation by the U.S., Russia and France, no peace accord was ever signed. The latest bout of fighting that started Sept. 27, the worst in decades, differs from many previous skirmishes since