Today: Tuesday 17th July

The head of the private security firm, G4S, is to be questioned by MPs over the staffing problems at the Olympics which have led to the police and army being drafted in. Scottish ministers are meeting to consider whether to allow same sex marriage. And also on today, with the powers in place to protect the Olympic brand, the programme looks at what you can and can't do.

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 the chairman of the US Federal Reserve who will be giving his assessment of the US economy today.

0709

Police officers from eight different forces are being drafted in to fill the gaps in Olympics security left by G4S, and its chief executive is to be questioned by MPs this week over the staffing problems at the Olympics. Chris Allison, the National Olympic Security Coordinator, shares his views on the issue.

0713
The US Food and Drug Administration has approved the use of a drug for people who don't have HIV but are at high risk of contracting it. Michael Bartos, chief of Science for Action at UNAIDS, explains how the drug works.

0717
The American Secretary of State, Hillary Clinton, speaks to the BBC's Kim Ghattas on Syria and why she believes there is still time for a political transition in Damascus.

0720
Business news with Simon Jack.

0723
Germany's Chancellor Angela Merkel has said that a court judgement that made circumcision of boys for religious leaders a crime could turn Germany into "a laughing stock". Steve Evans reports from Berlin.

0727
Sport news with Rob Bonnet.

0734
As the Bank of England's governor Sir Mervyn King goes before MPs on the Treasury Select Committee today, how much did the bank know about the Libor scandal and when did it know it? Business editor Robert Peston, and economist Professor Charles Goodhart, give their analysis.

0741
The paper review.

0744

A group of artists have just published a book called In the Company of Ghosts, which captures what they call the "the poetics of the motorway".

The BBC's Philippa Thomas went searching for stanza on the M25.

0748
Thought for the day with Anne Atkins, novelist and columnist.

0752
The number of people in England and Wales has gone up by just over 7% in the past ten years and in that time the number of people in Germany has fallen by about 1%, so why should it be so different? Dr Julie Smith, professor of international relations at Cambridge, and economist Dr Ruth Lea debate population and economic growth.

0810

The rules protecting the Olympic Games' big sponsors and the Olympic brand are extremely tight, so what can and can't you do?

0821

Comedian, and former guest editor of the Today programme, Stewart Lee hopped on board the Swan Pedallo chartered by the writer Iain Sinclair and filmmaker Andrew Kotting who have spent the last few months travelling from the Hastings coastline through the canals and waterways of South East England up to the Olympic site in London. He tells their story to the Today programme's Nicola Stanbridge.

0826
Sport news with Rob Bonnet.

0832

Scotland could become the first part of the UK to introduce gay marriage as the Scottish cabinet discuss whether to legislate for it later today. Jim Eadie, an SNP backbencher, and John Deighan, of the Catholic Church's Parliamentary Office in Scotland, debate the issue.

0838

Hundreds of disciplinary cases involving barristers may be declared unsafe due to failures to properly appoint the tribunal judges who sat in judgment of them in recent years. The Today programme's Andrew Hosken reports.

0845
Business news with Simon Jack.

0848
More than 12 million pieces of personal information were traded online by identity fraudsters in the first few months of this year. Information commissioner Christopher Graham explains what can be done to prevent this from happening.

0853
Commentator Ekow Eshun and writer Diran Adebayo discuss the Twitter row which erupted when one tweeter described John Terry's fellow Chelsea player, Ashley Cole as a "choc ice" for testifying on behalf of his teammate.

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