 Complete the following phrase:  From 1995 to 1997 he worked for a hrefRadio20Free20EuropeRadio20LibertyRadio Free EuropeRadio Libertya. He was the head of the Armenian Public Television, where he also hosted a weekly news program. He was a friend and supporter of Robert Kocharyan, president of Armenia from 1998 to 2008. He was also considered an important witness in the trial of Nairi Huyan, the leader of the 