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.

Liberal Democrats in government will not follow the last Labour government by sounding the retreat on the protection of civil liberties in the United Kingdom. It continues to be essential that our civil liberties are safeguarded, and that the state is not given the powers to snoop on its citizens at will.

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.

The British political system and the whole clapped out Westminster architecture, and the language that we use about politics, it's completely unsustainable. You either decide to be part of that transition to do something different. Or you cling to old certainties.