Today: Wednesday 18th August

As the coalition marks its 100th day in power, the deputy leader of the Liberal Democrats Simon Hughes has called for backbenchers to have a veto on ideas put forward by coalition ministers. And the formal bidding process for the future use of the Olympic stadium in London gets underway.

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0615
Business news with Stephen Evans: Surveyor Simon Rubinsohn analyses whether the construction sector is starting to recruit again. BPP chief executive Carl Lygo talks about the expansion of private university education in this country.

0640
The Obama administration is to relax travel restrictions to Cuba to allow people in both countries to engage in cultural activities. BBC correspondent in Havana Michael Voss speaks to the participants of the Havana International Ballet Festival.

0650
The churches built underground in the Ethiopian town of Lalibela are regarded by some as the eighth wonder of the world. Will Ross reports on how the people of Lalibela are determined to preserve their religious heritage.

0655
Global warming and not human hunting, might have been to blame for the extinction of the mammoth, according to new research. Professor Brian Huntley of Durham University explains research into why the woolly mammoth and woolly rhino might have died out.

0709
A lorry driver has been arrested after a crash with a passenger train on a level crossing in Suffolk. Detective Chief Constable Paul Crowther explains the background to the incident.

0713
The Conservative - Liberal Democrat coalition is marking its 100th day in power. Laura Kuenssberg assesses the successes and failures leading up to the milestone.

0717
A court in Leeds will hear cases today of former miners entitled to compensation for industrial injuries they have suffered. Reporter Clive Coleman explains why the miners have been facing problems receiving their full entitlement.

0721
Business news with Steve Evans.

0723
Over the weekend, Barack Obama appeared to give his backing to an Islamic Centre containing a mosque close to the site of the 9/11 attacks. North America editor Mark Mardell analyses why he might now be rowing back from that position.

0726
The sports news with Garry Richardson.

0733
The United Nations is appealing urgently for more funds to help the six million Pakistanis desperate for food and clean water, only a small proportion of whom have received any aid. Chris Morris reports on the situation from Nowshera in North West Pakistan.

0738
The paper review.

0741
The formal bidding process for the future use of the Olympic stadium in London is to get underway. Sports editor David Bond explains how the Olympic legacy was a key part of the London bid. Baroness Ford of the Olympic Park Legacy Company talks about what will happen to the site after the games.

0746
The thought for the day with the Right Reverend James Jones, Bishop of Liverpool.

0749
Is the US heading towards a trade war with China? Economics correspondent Hugh Pym and former editor of The Economist Bill Emmott look at whether a new era of protectionist economics could emerge from the global downturn.

0810
The Conservative-Liberal Democrat coalition is marking its 100th day in power. Deputy Prime Minister Nick Clegg discusses the government's record.

0822
This day 70 years ago has been described as the hardest day in the Battle of Britain. For the third of her pieces about the events of the battle, Sanchia Berg speaks to Hazel Gregory, a plotter in the operations room at Uxbridge headquarters of 11 Group, which covered south east England.

0827
The sports news with Garry Richardson.

0830
On 12 March 2006, US soldiers were summoned to a small house near Baghdad, where they discovered the charred remains of two girls and their parents. Time magazine journalist Jim Frederick describes the horrific crimes committed by four US soldiers.

0837
Tens of thousands of holidaymakers have been hit by the collapse of British travel companies. David Clover of the Civil Aviation Authority's ATOL scheme gives advice to stranded holiday makers.

0840
Business news with Steve Evans.

0843
Life on earth may have begun around 90 million years earlier than scientists had previously thought, a new fossil find suggests. Dr Adam Maloof of Princeton University explains the importance of his discovery.

0847
A team of scientists has developed a biofuel using the waste products from whisky production. Research leader Professor Martin Tangney debates whether whisky could hold the key to solving one of the most important energy challenges.

0855
Is English test cricket dying? Author Duncan Hamilton and Observer cricket correspondent Victor Marks discuss how the public view of cricket has changed since the 2009 season.