Armenia and Azerbaijan have failed to reach an agreement on the disputed region of Nagorno-Karabkh. Talks held in Kazan in Russia and hosted by Russian President Dmitry Medvedev on Friday, ended with neither side agreeing to a 14 point framework document called the Basic Principles. President of Azerbaijan, Ilham Aliyev, and Armenian President, Serzh Sarksyan said they had agreed on many issu...