Lord Heseltine has been criticised for his use of the word 'handicapped' on Radio 4's Any Questions. But should Jonathan Dimbleby or the programme's producers have stepped in to correct him? Radio 4's Peter White, who's also the BBC's Disability Affairs Correspondent, gives his take on the evolution of terminology -and the minefield of words to avoid.

Moral Maze presenter Michael Buerk also came under fire this week for his choice of words in a live on-air trail. He was promoting this week's debate on whether the footballer and convicted rapist Ched Evans should be allowed to return to his footballing career. But the trail led many to accuse the presenter of victim blaming.

And will there ever be a perfect political interview to please all listeners? This week the interviewing skills of Today presenters John Humphrys and Sarah Montague are called into question. But who is really at fault here - is it the combative approach of interviewers or the impenetrable defence of politicians?

The BBC wants to reflect the UK's ethnic diversity more accurately in both television and radio broadcasting. In order to widen their pool of expert contributors, the BBC Academy has launched a series of Black and Minority Ethnic Expert Voices Days. Two applicants who attended the event explain why they want to help change the look and sound of the BBC.

And get your headphones at the ready for a glimpse into the world of surround sound and binaural audio.

Produced by Will Yates A Whistledown production for BBC Radio 4.