but not everyone was persuaded of the value of his seven hours of testimony, with elisabeth blandon wonderingand glenn thirlby similarly asked... but yadwiga billewicz disagreed... one part of the session which caught the attention of bbc—watchers was when the prime minister's former chief adviser described how, over the course of last year, he largely stopped speaking to journalists — with one exception. the main person, really, though, that i spoke to in the whole of 2020 was laura kuenssberg of the bbc, because the bbc has a special position in the country, obviously, during the crisis. and because i was in the room for certain crucial things, i could give guidance to her on certain very big stories. the use of anonymous sources in political reporting has long been a concern among some newswatch viewers, and that "outing" of himself by dominic cummings as one of those sources led valerie ching—dolling, among others, to question how reliable and credible he was. she wrote... and someone tweeting as murf�*s mum posted this... but graham king had a different perspective... we asked bbc news a