Dmitry Medvedev, President of the United States Barack Obama and President of France Nicolas Sarkozy made a statement on Nagorny Karabakh 2009-07-10 16:30:01 L’Aquila, Italy The presidents called on Baku and Yerevan to overcome their remaining differences and to finish work on a joint agreement to settle the problem of Nagorny Karabakh. According to the co-chairs of the OSCE Minsk Group – the Presidents of Russia, the United States, and France – an agreement between Azerbaijani and Armenian leaders must be reached on the basis of the 2007 Madrid Agreement.