Professor DOHU ARGAIL (Ankara University): While there is a political friction between Turkey and Iraqi Kurdistan, Iraqi Kurdistan's economy has become much more vibrant by Turkish and Kurdish investment from Turkey.

NPR: Turkey Threatens Economic Sanctions on Kurds

"Nobody agrees with America's foreign policy, " said Sertac Yakin, a university student from Ankara who also attended the Istanbul meeting in April.

CNN: Analysis: Does Obama diplomacy work?