“I was just wondering what it was like working with Prince Philip on environmental issues? Because from what I know - and this is a bit controversial - he had some very apparent contradictions in his love for conservation. For example, the year that he became the president of WWF was the same...

“Every president, every prime minister, when you look back, you feel a bit frustrated because you understand that you could have done a lot more. That's a normal sense, a normal frustration that every president and every prime minister has. And looking back, I am very proud. But I could have done...

“Civil disobedience all through history has had a big impact. If it's non-violent but determined, it has a big impact and it has changed things. People say, how can you be against the law? I say, if the law is not right, of course you have to denounce it. That was the case for slavery. It was the...