UK

Today: Wednesday 23rd January

David Cameron is to promise a referendum within five years on whether Britain should get out of the European Union - or stay in on new terms. How do you weather-proof an airport? The Today programme hears from the man who runs Heathrow. And also on the programme, the author Eoin Colfer on a new series of short stories featuring old Dr Whos.

This is the running order for the Today programme on BBC Radio 4, as broadcast on Wednesday 23 January.

0615

Business news with Simon Jack from Davos is Switzerland where business leaders and heads of state are gathering for the World Economic Forum.

0626

Sports news with Jonathan Legard.

0709

Bank of England Governor Sir Mervyn King has called for further action to boost the UK's ailing economy, in a speech in Belfast. The BBC's economics editor Stephanie Flanders outlines the message of the speech.

0712

The Education Secretary Michael Gove is continuing his changes to A levels in England. Luke Walton, the BBC's education correspondent, explains that Mr Gove wants a change in their structure an end to the role of AS exams counting towards the full A level.

0715

Labour will call for action to stop the blacklisting of workers and a full investigation of blacklisting allegations, including in relation to major public projects such as Crossrail and the Olympic Park in a House of Commons opposition day debate today. Chuka Umunna, MP shadow secretary of state for business, innovation and skills, gives his view on the action that the government should take.

0719

Business news with Simon Jack live from Davos.

0722

EU finance ministers give the green light for 11 Eurozone members, including France and Germany, to prepare a new tax on financial transactions.

0726

Sports news with Jonathan Legard.

0732

David Cameron will promise an in/out referendum if the Conservatives win the next election when he makes his long-awaited speech on the EU later. Nick Robinson, the BBC's political editor, explains that the prime minister wants to renegotiate the UK's relationship with the EU, before asking people to vote.

0736

Boys born in 2015 will have almost three times the risk of being diagnosed with prostate cancer at some point during their lives than those born in 1990. Nigel Lewis-Baker, who is suffering from a serious prostate cancer and had the PSA test, reflects on his experiences, and Malcolm Mason, professor of Clinical Oncology at Cardiff University and an expert on prostate cancer for Cancer UK, examines the latest figures from Cancer Research UK that show the lifetime risk of prostate cancer will rise from 5% boys born in 1990 to just over 14% for boys born in 2015.

0741

The paper review.

0744

It is not yet clear precisely what kind of government the Israeli election will produce. Middle East correspondent Kevin Connolly explains that it is clear that the campaign has been passionate and divisive, revealing the painful arguments between those who want a permanent settlement with the Palestinians and those who do not.

0747

Thought for the Day with Akhandadhi Das - a Vaishnav Hindu teacher and theologian.

0750

Heathrow cancelled hundreds of flights this week leaving thousands of passengers stranded because of the snow. Colin Matthews, chief executive at Heathrow Airport Ltd, explains what caused the delays.

0810

In a speech on Europe, David Cameron will pledged a vote within the next five years on whether to get out of Europe or stay in on new terms. The BBC's Gary O'Donoghue outlines the significance of the announcement, and Lord Mandelson, former European commissioner and Labour Cabinet minister, reacts to the decision.

0813

MPs will hear calls later for a full inquiry into claims of the blacklisting of workers on major public projects such as Crossrail and the Olympics. Maria Ludkin, GMB National Officer for Legal and Corporate Affairs, and Christopher Graham, information commissioner, examine the move that follows disclosures about a database of 3,000 names used to vet workers in the construction sector for more than 15 years.

0822

This year marks the fiftieth anniversary of the Dr Who television series, the longest running science fiction television programme in the world. Eoin Colfer, author of the Artemis Fowl series, and science fiction writer Una McCormack reflect on the series and explain that the anniversary is November 23 and on the 23rd of every month this year a new Dr Who short story written by a famous writer is being published.

0826

Sports news with Jonathan Legard.

0833

David Cameron will promise an in/out referendum if the Conservatives win the next election when he makes his long-awaited speech on the EU later. The BBC's Nick Robinson provides analysis of what the prime minister has said.

0839

Israeli Prime Minister Benjamin Netanyahu has pledged to form "as broad a government as possible" after his alliance won a narrow election victory. Middle East editor Jeremy Bowen says that exit polls suggest his right-wing Likud-Beitenu bloc will have 31 seats in parliament - a sharp drop from 42.

0842

Business news with Simon Jack live from Davos.

0849

David Cameron is to promise a referendum within five years on whether Britain should get out of the European Union - or stay in on new terms. Conservative MP Andrea Leadsom and Conservative MP Bernard Jenkin explain their take on the government's move.

0855

The BBC's political editor Nick Robinson gives analysis of the announcements that David Cameron has made in his speech on Europe.