Swiss Foreign Minister Didier Burkhalter expressed his country's readiness to help push ahead the talks between Iran and the six major powers over Tehran's nuclear program in an effort to clinch a comprehensive nuclear deal. He made the remarks in a meeting with his Iranian counterpart Mohammad Javad Zarif on Friday and on the sidelines of the 45th World Economic Forum held on January 21-24 at Davos, Switzerland, Fars news agency reported.
