Turkey's biggest Kurdish militant group is looking to expand, and it might turn to Russia for help. The Kurdistan Workers' Party, better known by its Kurdish acronym, PKK, has established an umbrella organization for the country's leftist militancies in an effort to broaden its own capabilities and extend its support base beyond the pro-Kurd community. Because Russia has a long history of using Turkey's militant groups -- especially the PKK -- to promote its own interests in the region, there is little doubt that Moscow will seize the opportunity to ratchet up the pressure against Ankara. ...