PLEASE NOTE: We are unable to offer transcripts for our programme interviews. Today is broadcast live and the running order is subject to change.
The Conservatives are continuing to demand an apology from Gordon Brown for e-mails sent by a former adviser which discussed smearing senior Tories. And security forces in Thailand have tightened their grip on a hard core of anti-government protesters surrounding official buildings in Bangkok.
Part of the Prime Minister's response to the Downing Street e-mails affair has been to write to his cabinet secretary asking for the rules on "special advisers" in Whitehall to be tightened. Jonathan Baume, general secretary of the FDA - the union representing senior civil servants, discusses if current rules would cover the "inappropriate and juvenile" conduct by former adviser Damian McBride.
US music producer Phil Spector has been convicted of murdering actress Lana Clarkson, after a five-month retrial. Correspondent Rajesh Mirchandani reports on the 68-year-old, famous for the "Wall of Sound" recording technique.
US President Barack Obama has lifted some restrictions that will allow Cuban Americans to travel more freely to Cuba, his spokesman has said. Correspondent Michael Voss reports on how the move is being received.
The 114 people arrested at a Nottinghamshire school on Monday posed a "serious threat" to a nearby power station, police have claimed. Bob Andrews, of Eastside Climate Action which carried out a protest at Ratcliffe in 2007, and David Porter, chief executive of the Association of Electricity Producers, discuss if the power station was the planned target of an organised protest.
A ceasefire called by the Sri Lankan government in its military offensive against Tamil Tiger rebels was designed to allow civilians trapped by the fighting to flee the hostilities. Has it worked? Reports say that opportunity to escape has been taken up by just a handful of people so far. Sir John Holmes, the UN Under-Secretary-General for Humanitarian Affairs, explains whether the conflict is drawing to an end.
In the television programme In the Thick of It, a press adviser has to apologise for an email she sent that caused controversy. Writer and broadcaster Armando Iannucci discusses the coincidence of life imitating his art.
Security forces in Thailand have tightened their grip on a hard core of anti-government protesters surrounding official buildings in Bangkok. Reporter Lucy Williamson visits the protestors' main base at Government House to see what the mood is like. Former Thai minister Mechai Viravaidya discusses the repercussions of the protests.
E-mails smearing senior Tories raise "serious concerns" about the entire Number 10 operation, a shadow minister says. Labour MP Paul Flynn and broadcaster Andrew Neil discuss where policy and politics intersect.
Just before the World War II began, a ship set sail from Hamburg carrying nearly 1,000 German Jews who had decided that they had to flee Hitler's Germany. It was refused permission to land passengers in Cuba, then Canada, then the US. It then returned to Europe. Gerald Granston, who was a boy passenger on the ship, and author Max Morgan-Witts, discuss the extraordinary voyage.
Since leaving office, Tony Blair has converted to Catholicism and has launched an inter-faith foundation that bears his name. Radio 4 has had exclusive access to its first year of operation. Religious affairs correspondent Christopher Landau has been following Tony Blair as he begins his new work.
People are being warned not to travel to Thailand unless their journey is necessary as protests in Bangkok continue. Foreign Office minister Bill Rammell explains why he is still urging caution, despite the situation appearing to be calming down.
The Institute for Fiscal Studies's suggestion that another £40bn of savings or tax rises might still have to be found in the next parliament means that public sector organisations are expected to have their budgets cut. Today presenter Evan Davis visits his old school - the Ashcombe School in Dorking, Surrey - to talk to the headteacher David Blow about how he is preparing for the worst.
A new drug which shows promise as a treatment for Alzheimer's disease has been developed by British scientists. Tests at the University College London found the drug, CPHPC, removes from the blood a protein thought to play a decisive role in the development of Alzheimer's. Professor Mark Pepys explains how the research is progressing.
Is it immoral to send your children to private school? Labour MP Barry Sheerman, chairman of the children and schools select committee, and Anthony Seldon, headmaster of Wellington College, discuss if public figures, including MPs and BBC officials, should uphold a "moral duty" to educate their children in state schools.
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