Book on ‘Professional journalism’ distributed Mysuru: Observing that social media is losing its credibility, columnist A. Narayan said that the media is facing challenges from digital technology. He was speaking at a seminar on ‘Media and Contemporary Challenges’ organised jointly by Samajavadi Adhyayana Kendra, Dr. B.R. Ambedkar Research and Extension Centre and Samaana Asakta Geleyara…