Op-Edge: Why is it almost impossible for Kurds to secede from Iraq?

The official referendum for Iraqi Kurdistan is soon. The referendum which is designed to sense the will of Iraqi Kurds about independence from Iraq and starting a Kurdish state among Iran, Syria, Iraq and Turkey. Theoretically, this might ... ... Kurdish card to pressure on Ankara, further complicating its regional and internal affairs -Despite of being two close allies in NATO. On the other hand, both Moscow and Washington fear the current timing of independence poll, as the fight against ISIS is ...