Published in May 2011
after a series of
seminars in London and Oxford, the text contains a foreword from Labour
leader Ed Miliband, and was supported by Labour's key pressure groups The Fabian Society, Progress, Compass and the Christian Socialist Movement.
Mr Corbyn spoke to the BBC's Norman Smith as he arrived to take part in an economics
seminar in central London, shortly
after former Labour
leader Tony Blair warned the party against moving to the left.