Growth that lasts does not threaten our children's future. It recognises that our planet is a gift that must be cherished. That tomorrow is our responsibility as much as today.

On the BSkyB bid, Rupert Murdoch is now in town in London seeking to sort things out. I would simply say to him, look how people feel about this. Look how the country has reacted with revulsion to the revelations. So do the decent and sensible thing and reconsider, think again, about your bid for BSkyB.

The Liberal Democrat Party and the Conservative Party come at things very differently when it comes to Europe. When it comes to political reform, we have a much greater tradition in the Liberal Democrats of social justice and fairness than the Conservatives do.

The caricature of what George Osborne is doing on the fiscal side is absurd. If you read some of the commentary, particularly from the left, you would think he was turning the clock back to the 1930s.

I say this as a young dad seeing children going into primary school: I don't think we should underestimate the formative effect on a child of those first years in primary school.

I didn't become leader to transform the Liberal Democrats into an enlarged form of the Electoral Reform Society. It's not the be all and end all for us. There are other very, very key ambitions in politics, not least social mobility and life chances, that I care about as passionately if not more.

Politics is a highly tribal business.