On the surface, the Russian resort town of Sochi provides an ideal setting for the world to convene for the 2014 Olympics. Its subtropical coastline on the Black Sea offers beautiful palm-lined seashores for the tourists — February temperatures should be in the 10 C range — while the nearby snow-covered mountains present an ideal staging ground for outdoor winter sports. "But historically and politically, it's a loaded area," warns John Colarusso, a professor of humanities at McMaster University and a freqent writer on the language and culture of the Caucasus, the mountainous region between the Black and Caspian seas....