PLEASE NOTE: We are unable to offer transcripts for our programme interviews. Today is broadcast live and the running order is subject to change.
About 100 world leaders are to gather at the UN to try and revitalise deadlocked talks on climate change. The Conservatives are urging Lib Dem voters to "come home to the Conservative Party". Migrants camped near the French port of Calais are preparing to see their makeshift homes destroyed by police. Bans on smoking in public places have had a bigger impact on preventing heart attacks than expected, data shows.
The operation to clear migrants from makeshift camps near Calais has begun. Andrew Hosken reports on the largely peaceful clearance of the camp known as "the jungle".
President Obama is bringing the Israeli Prime Minister Benjamin Netanyahu and Palestinian Authority President Mahmoud Abbas together for the first time since Mr Netanyahu came to office. Jon Donnison in Ramallah and Bethany Bell in Jerusalem report on Israeli and Palestinian hopes ahead of the summit.
Liberal Democrat leader Nick Clegg has forced the party to "grow up" by facing the need to cut public spending, his spokesman has said. Today presenter Sarah Montague considers whether it is Mr Clegg's European background that is the key to understanding him.
The chance of suffering a heart attack is increased while suffering flu, scientists at University College London say. Author of the paper Dr Andrew Hayward explains why he believes those with a history of heart problems should get vaccinated against flu.
Migrants camped near the French port of Calais are preparing to see their makeshift homes destroyed by police. Michele Cercone, spokesman for Jacquess Barot - the EU's justice commissioner, discusses how France and the UK can "find a joint solution" to the issue of asylum and economic migration.
Around 100 world leaders are gathering at the UN to try and revitalise deadlocked negotiations on climate change. The summit comes two months ahead of a high stakes meeting in Copenhagen to agree a global treaty on cutting carbon emissions. Correspondent Barbara Plett examines who, and what, is driving the process.
Tory party chairman Eric Pickles has called on Liberal Democrat voters to "come home to the Conservative Party". Mr Pickles and Lib Dem home affairs spokesman Chris Huhne discuss the battle over the hearts of the electorate.
The Office of Fair Trading has fined 103 construction firms a total of £129.5m following an investigation into illegal "bid-rigging". Business presenter Adam Shaw explains why the fines were enforced. Stephen Ratcliffe, director of the UK Contractors Group, discusses the severity of the fines.
The Army is drawing up plans to send another 1,000 soldiers to Afghanistan, the Times newspaper reports. Former Lib Dem leader Lord Ashdown reflects on his view that withdrawing coalition troops now would enable Al-Qaeda to roam free in Afghanistan and further endanger UK security.
PJ O'Rourke, who has become one of the US's foremost satirists and journalists, came from humble origins in Ohio as the son and grandson of car-dealers. He discusses his love for fast cars and his belief that Americans have fallen out of love with their vehicles.
This is an extended version of the broadcast interview.
The US has no "grand expectations" from the summit of Israeli and Palestinian leaders which President Obama is to host, the White House says. North American editor Mark Mardell and Middle East editor Jeremy Bowen discuss why Israeli Prime Minister Benjamin Netanyahu and Palestinian Authority President Mahmoud Abbas are attending the talks in New York.
Is the UK losing its interest in public debates? Lewis Iwu, former president of Oxford University Student Union and trustee of the charity Debate Mate, and David Yelland, former editor of the Sun, consider how debating can be promoted to schoolchildren.
The airline industry will promise to make deep cuts in aviation carbon emissions over the coming decades, BA will announce. Jonathan Counsell, BA's head of environment, and Jeff Gazzard, of the Aviation Environment Federation, discuss a deal that airlines, airports and aircraft companies have reached to cut the industry's emissions to half of their 2005 levels by 2050.
Is Dr John Dee the forgotten hero of English intellectual life? Author Benjamin Woolley, and Jennifer Rampling, of the University of Cambridge, discuss the man credited with coining the phrase "the British empire", advising on some of the great Tudor voyages of exploration but also known for using crystal balls to communicate with angels.