Today: Monday 26th March

Downing Street has acknowledged that party donors have been entertained at the Prime Minister's Downing Street flat, but insists they were long-standing personal friends. President Obama says the US could cut its nuclear arsenal beyond current agreements for arms reduction. And also on the programme, the nation's favourite love poem.

We are no longer providing clips of every part of the programme but you will be able to listen via the BBC iPlayer .

0615
Business news with Simon Jack on a possible temporary increase in the Eurozone's financial "firewall".

0709

David Cameron has strongly denied the claim that Conservative donors are getting special access to Downing Street and influencing policy after top Tory fundraiser Peter Cruddas was secretly filmed apparently offering access to the prime minister for £250m. Mark Adams, a Labour party member who runs standup4lobbying explained how he helped the Sunday Times with its investigation. And Michael Dugher, Labour deputy chairman, talks about Labour's calls for further reform of party funding.

0712

Researchers studying the H1N1 Swine Flu virus, which killed more than 18,000 people in a global pandemic in 2009, have identified one of the key genes governing an individual's susceptibility to infection from the influenza virus. The Today programme's Tom Feilden reports on how the study could help scientists to develop new anti-viral drugs, and to identify those most at risk from future flu pandemics.

0720
Business news with Simon Jack.

0722

The results on a ballot on industrial action for tanker drivers over pay and conditions will be known shortly. Brian Madderson, chairman of the RMI Petrol Retailers Association, explains how this would affect petrol stations.

0725
Sports news with Rob Bonnet.

0732

Funding for research into dementia is to be more than doubled by 2015 in a bid to make Britain a world leader in the field. Health Minister Paul Burstow outlines why the government is making this a priority.

0736
Paper review.

0738
It is 70 years exactly since the first group of around 1,000 young Jewish women arrived in Auschwitz. Heather Dune Macadam, author of Rena's Promise: A Story of Sisters in Auschwitz, which is a biography of one of those women, and Rena's daughter Sylvia Lanier, describe her story.

0747

A British mountaineer is preparing to honour an Olympic pledge by climbing Mount Everest, taking with him a gold medal awarded to a member of the British Everest Expedition in 1922. Kenton Cool explains why he wants to complete their expedition.

0749
Thought for the day with Canon Dr Alan Billings, an Anglican priest.

0753
Members of the Egyptian Freedom and Justice Party, the political wing of the Muslim Brotherhood, are in London meeting with MPs and think-tanks on drafting Egypt's new constitution. Gehad El-Haddad, senior advisor to the Muslim Brotherhood board of directors and the Freedom and Justice Party board of directors, reflects on the challenges ahead.

0810

Following the resignation of the Tories' top fundraiser, Peter Cruddas, who was secretly filmed offering access to the prime minister in exchange for £250,000, political editor Nick Robinson analyses the prime minister's pledge of a party inquiry. Lord Levy, former Labour chief fundraiser, and Francis Maude, Minister for the Cabinet Office, give their thoughts on what will happen next on reforming party funding.

0821

A small, New York-based games company has just been bought for $180m (£113m) after releasing a games app called Draw Something that was downloaded 35 million times in six weeks. Nikki Moore, founder of girlgeekchic.com, and Neil McFarland, creative director of user interaction design company ustwo, discuss the significance of such a deal in the world of apps.

0826
Sports news with Rob Bonnet.

0834

Aid agencies are calling for urgent action to prevent a humanitarian crisis in Niger as they struggle to fund their efforts in the country. The BBCs Andrew Harding has the details while Justin Forsyth, chief executive of Save the Children, outlines their concerns.

0836
As part of the Cultural Olympiad, actress Fiona Shaw explains why she wants to get the nation to nominate or record and upload a favourite love poem.

0842
Business news with Simon Jack.

0846
"Aquaponics" is the latest New York urban farming craze, and an unlikely spot has emerged as the epicentre of it all; the dilapidated South Bronx. Our New York reporter Matt Wells went along to meet the man who believes that "trashcan" Tilapia fish, could answer some of the city's most pressing environmental needs.

0849

The government is thought to be revisiting the possibility of a third runway at Heathrow Airport, after discussion on the extent to which the UK will lose out economically by not having direct flights to big Chinese cities. Tim Yeo, chairman of the Energy and Climate Change Select Committee and Jean Lambert, Green Party MEP for London, debate the pros and cons of this.

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