Mr Mandelson and Mr Bayley were interviewed separately on BBC Radio 4's Today programme.

BBC: Battle of the Dome continues

This is an edited version of Martin Cassini's Four Thought talk for BBC Radio 4.

BBC: Viewpoint: Is it time to get rid of traffic lights?

Naomi Grimley, presenter of BBC Radio 4's D For Discretion, has talked to journalists, lawyers and the military.

BBC: The return of the X Factor

First broadcast on BBC Radio 4's Today programme on Thursday 25 April 2013.

BBC: 1903's 'Devon beast' discovered

First broadcast on BBC Radio 4's Today programme on Wednesday 13 March 2013.

BBC: Vicky Pryce's solicitor says she may appeal

First broadcast on BBC Radio 4's Today programme on Saturday 4 May 2013.

BBC: UKIP: The view from Lincolnshire

First broadcast on BBC Radio 4's Today programme on Monday 29 April 2013.

BBC: Bangladesh 'death toll rising'

First broadcast on BBC Radio 4's Today programme on Thursday 16 May 2013.

BBC: Arrested 'should not be named'

First broadcast on BBC Radio 4's Today programme on Friday 17 May 2013.

BBC: Dame Anne Owers: IPCC is operating on a shoestring

First broadcast on BBC Radio 4's Today programme on Monday 8 April 2013.

BBC: Fatbergs: Burning fat and oil to generate London power

"I remember thinking she was absolutely right, " he told BBC Radio 4's Today programme.

BBC: UK Politics

First broadcast on BBC Radio 4's Today programme on Thursday 9 May 2013.

BBC: UK

Ms Suu Kyi's selection can be heard on BBC Radio 4 at 11.15 GMT on Sunday.

BBC: Aung San Suu Kyi

"What the LSE is saying we dispute, " he told BBC Radio 4's Broadcasting House programme.

BBC: insists Panorama North Korea programme will go on

First broadcast on BBC Radio 4's Today programme on Thursday 2 May 2013.

BBC: Just how bad is bad grammar?

First broadcast on BBC Radio 4's Today programme on Thursday 7 March 2013.

BBC: 'Real problems' with migration target

Vanessa Whitburn is retiring as the BBC Radio 4 programme's longest-serving editor after 22 years.

BBC: Vanessa Whitburn

First broadcast on BBC Radio 4's Today programme on Tuesday 26 February 2013.

BBC: Short selling 'fundamental part of an efficient market'

Midnight Mass from Liverpool Metropolitan Cathedral is being broadcast by BBC Radio 4 this year.

BBC: Archbishop Patrick Kelly to miss Midnight Mass

First broadcast on BBC Radio 4's Today programme on Friday 1 March 2013.

BBC: Can an app help find cancer cure?

First broadcast on BBC Radio 4's Today programme on Friday 19 April 2013.

BBC: Did GSK 'pay-off competition'?

First broadcast on BBC Radio 4's Today programme on Monday 1 April 2013.

BBC: Iain Duncan Smith: Reforms 'make work pay'

First broadcast on BBC Radio 4's Today programme on Thursday 21 February 2013.

BBC: Dubai torture claims: Father speaks out

First broadcast on BBC Radio 4's Today programme on Thursday 14 March 2013.

BBC: What is 'Islamic finance'?

First broadcast on BBC Radio 4's Today Programme on Friday 15 February 2013.

BBC: 'People want Assad to stay'

The Hackers will be broadcast on Tuesday 27 November at 20:00 GMT on BBC Radio 4.

BBC: Anonymous, hacktivism and the rise of the cyber protester

First broadcast on BBC Radio 4's Today Programme on Thursday 7 February 2013.

BBC: Are you dining 'al-desco'?

First broadcast on BBC Radio 4's Today programme on Friday 8 March 2013.

BBC: Ex-scientologist: I was brainwashed

First broadcast on BBC Radio 4's Today Programme on Thursday 31 January 2013.

BBC: Ken Clarke: Leaving EU would be catastrophic

Mr White told BBC Radio 4's Today programme the role of libraries had changed significantly.

BBC: Plan to create libraries of the future