Demands by Iraqi Kurds for greater autonomy have roiled their Turkish neighbors.

The flow of Russian conventional weapons to Iran—notably sophisticated surface-to-air defense missiles—has increased markedly of late, complicating U.S.-led efforts to tamp Tehran’s nuclear ambitions.

North Korea’s nuclear test may further damage nonproliferation efforts, as well as complicate ongoing negotiations with Iran to suspend its nuclear program. Much will depend on the response from Mosc…

A rise in drug use in Iran is one overlooked consequence of the surge in opium production in the Taliban-run provinces of southern Afghanistan.

Taliban fighters have stepped up their attacks along the Afghan-Pakistani border as the United States hands over control of southern Afghanistan to NATO forces, freeing up American troops to try, onc…