Is politics about building a better world, or simply the art of the possible? In a special debate recorded at the London School of Economics to mark the anniversary of Thomas More's Utopia, politicians and historians debate the balance between idealism and realism in politics, international relations and political history. Chaired by Anne McElvoy. With

Utopia is a work of fiction and political philosophy by Thomas More published in 1516 in Latin. The LSE literature festival which runs from February 22nd - 27th is themed on the idea of Utopias.

Producer: Luke Mulhall