Most of what needs to be changed in the euro zone can be done without treaty changes. The demand for treaty change is as political as it is legal and I don't think it's going to happen soon.

I don't even pretend we can occupy the Lib Dem holier-than-thou, hands-entirely-clean-and-entirely-empty-type stance. No, we are getting our hands dirty, and inevitably and totally understandably we are being accused of being just like any other politicians.

You see people literally in a different galaxy who are paying extraordinarily low rates of tax.

Joining the Liberal Party was a no-brainer for me... And when you are a young man, you don't get a calculator out saying, 'Am I going to get to power?' You get propelled forward by idealism.

I don't watch a huge amount of telly. I read a lot. I'm reading at the moment 'Freedom,' by Jonathan Franzen, a great big brick of a book, and I'm loving it.

You've got some very powerful countries: Poland, the United Kingdom, Sweden and others who have a genuine desire to see the euro zone straighten itself out. It's good for all of us, whether you're in the euro zone or not, to make sure that it doesn't lead to a fracturing.

We need to reach out to small 'l' liberal voters who have a modern outlook on life, who want a party that is hard-headed on the economy - more credible on the economy than Labour - but more socially progressive and fairer than the Conservatives.