Mr Blair's authority was massive at the time, and he could have used it to radicalise the party's programme.

ECONOMIST: Bagehot

But John Cruddas, who last year narrowly missed out on Labour's deputy leadership, said in an article for The House magazine that the party's previously radical programme had "stalled" under Mr Brown.

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Mr Li also said that the six-party talks on the North's controversial programme must resume.

BBC: UN adopts tough new North Korea sanctions after nuclear test - BBC News