Â鶹Éç

Where do you get your news from, and do you trust it to be true? For many of us the answers to these questions are changing. Social media is an increasingly dominant source of information; long-established news sources, like the Â鶹Éç, are in a fight for audiences and for trust too. Stephen Sackur speaks to David Dimbleby, who in the course of a long broadcasting career became the face and voice of the Â鶹Éç on the biggest occasions - from elections to royal ceremonial. Can his journalistic values survive in a world where opinion so often trumps truth?