Honestly, I think the bigger problem for Turkey is to come to some sort of accommodation with the 18% of its population who are Kurd. Erdogan's Kurdish Initiative was the right thing to do, but banning political parties and tossing their members in prison because they're seen as subversive is counterproductive. We saw that the PKK was willing to negotiate ceasefires and even withdraw its soldiers to Northern Iraq, but Turkey's failure until recently to even permit entry of non-lethal aid in Kobani has enraged the Kurds. Dropping bombs on them isn't likely to reduce the threat from them, either. A better path is dialogue. Turkey has a great opportunity here to create goodwill with the Kurds if it aids them against ISIS. Turkey should understand also that if it doesn't confront ISIS, which seems to appeal to some young Muslim Turks, it will have a much larger "historical problem" within its borders.
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There is no such things like banning a political party; especially The pro-kurdish parties are free in Turkey, and There is now two pro-kurdish parties in the Turkish parliement, one of which is HDP with 27 representitives, and DBP with 1representitive. However, both of them are still in the same frame with PKK terrorists; If you read their statements and their actions, you can make the same conclusion. For example, 3 weeks ago the leader of HDP Selahattin Demirtaş called his voters for street protests; however, that protest turned into what could not be called a protest but something else, The result of that ''protest'' was nearly 40 civilians died, more than 1000 buildings including primary schools, library, blood donation centers, political parties' buildings, more than 1000 cars including ambulances, civilian cars etc were burnt.
Those attacks had been done after the call of a political party, That political party is still in Turkish parliement without feeling any guilt.
in last week PM Davutoğlu announced that the intel reports show that A symbolic amount of terrorists in Turkey have been withdrawn into Iraq that is in control of North Iraq and central Iraq government, both of whom are in power after USA intervention. Those terrorists should all have been withdrawn before the peace meetings started, also that was the first condition to start that process, but A terrorist organisation did not keep it in the first place, but Davutoğlu still continued that process.
Also Cemil Bayık,one of the ''leaders'' of pkk terrorist organisation, declared that They had sent those terrorists back into Turkey.
Turkey follows a reasonable and long term policy, she says The coalition should not fight with the IS alone, she should instead fight with Assad as well; otherwise it is today the IS, tomorrow will be another one unless Assad is gone.