Recep Tayyip Erdoğan has extended his menacing military involvement to the South Caucasus, where Turkish army personnel are assisting Azerbaijan in a massive invasion against Artsakh (Nagorno-Karabakh) and Armenia.

We shouldn’t redraw existing borders carelessly. But when trying to hold a state together becomes more disruptive to international order than allowing it to break apart, when one group mistreats another within a state, when a government loses the ability and authority to govern, the sensible course is to let that state dissolve.