The former head of BBC News will take up the post in early March.
We must understand the BBC as a pre-eminent state propagandist and censor by omission, says John Pilger.
As the Lord McAlpine case shows, at some point we have to trust news organisations to tell us the truth.
The story of a generation - lied to, again and again, yet ultimately powerless.
This a flawed, human institution like any other.
There's quite a lot of settling old scores going on, says Tristram Hunt.
After the Newsnight debacle, it is excessive caution – not recklessness – that threatens the BBC.
We need a BBC Director General who is popular, like David Dimbleby or Melvyn Bragg.
If there is one consolation that the BBC can draw from the events of recent weeks, it is that so many expected better from it.
If we want to preserve quality public-service broadcasting in Britain, we must defend the Beeb.