The impact of Ed Miliband's speech on education at this year's Labour conference remains to be seen, but people in Westminster are still talking about last year's argument for responsible capitalism. The financial crisis in 2008 exposed some basic weaknesses in our capitalist system, but it was Miliband's speech that gave the first and most explicit recognition of the need for a more responsible form of capitalism, not only as an end in itself but as a means to achieving a more successful economy.

© Guardian News & Media Ltd