| Tuesday 30 March 2010 at 10.30pm on BBC Two Presented by Gavin Esler Tony Blair returned to the centre stage of British politics today, making a speech to Labour members in his old constituency in which he praised Gordon Brown's leadership, the government's record and attacked Tory "vagueness". It is rumoured that Blair will make several appearances during the campaign - but is he an asset or a liability to his party? Former Deputy Prime Minister John Prescott, Tory Chairman Eric Pickles and Liberal Democrat Home Affairs spokesman Chris Huhne give us their views. We have the second film from our economics editor Paul Mason asking what's wrong with Britain and how do we fix it? Tonight, he finds the beginnings of a sustainable economy at Emma Bridgewater's booming family-owned pottery in Stoke, at a London dotcom where they have invented an alternative to banking, and in Margate, with artist Tracey Emin, who believes that a new art gallery soon to open there will transform the place. Watch the first film here. And nearly two decades after she famously tore up a photo of Pope John Paul II on US television, singer Sinead O'Connor now has strong criticism to make of his successor Pope Benedict XVI. She has called his letter to the Catholics of Ireland about child abuse by clergy there "an insult not only to our intelligence, but to our faith and to our country", and called on fellow Catholics to boycott Mass until there is a full investigation into the Vatican. Tonight, she joins us for a live debate on the programme. Do join Gavin Esler at 10.30pm on BBC Two. | 
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