The American aid worker was killed by his Isis captors on 16 November. Listen to the Guardian team tell, for the first time, of the daring and extraordinary effort to secure his release, which involved a radical New York lawyer, the US government and the world's most revered jihadi scholar Watch a video explainer on the secret talks to save Peter Kassig The long read: the race to save Peter Kassig
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28:30
Guardian Focus podcast: reviewing the Arab spring
We're looking back at the revolutions in Tunisia, Egypt and Libya. With much of the region still in a state of ferment, what are the possibilities and dangers that lie ahead?
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34:28
Guardian Focus podcast: are Britain's roads safe for cyclists?
With the toll of cycling casualties growing, Hugh Muir asks what needs to happen for roads to become a safer place for bikes
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33:07
Guardian Focus podcast: England's riots and the prospect of a lost generation
Only half of those who took part in the summer riots said they felt a part of British society. We hear from five young Londoners on how they see their futures and their place in society
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27:10
Guardian Focus podcast: public sector strike
Unite's Rachael Maskell, Matthew Sinclair of the Taxpayers Alliance and Tom Clark discuss this week's public sector strike over the reform of pensions. With Hugh Muir
Australia