Top U.S. diplomat in the UN on Monday urged global condemnation of Russian 'attack the core values of the UN charter', TURAN's Washington correspondent reports."What Russia has done is attack the core values of the UN charter. They are attacking the independence of a sovereign country. They"re attacking that country"s sovereignty. They"re trying to change that country"s borders. And that impacts all of us." Ambassador Linda Thomas-Greenfield, the U.S. ...