Turkish Foreign Minister Ahmet Davutoglu held a phone conversation with the US Secretary of State John Kerry on Saturday about the latest developments in Syria and preparations of Geneva 2 conference. According to diplomatic sources, Davutoglu and Kerry discussed attendance of the Syrian opposition to the Geneva 2 conference in Switzerland. The two ministers expressed their concern over Russia’s latest statement on changing the content of Geneva 2 conference.    Davutoglu and Kerry will meet on January 20.