I feel like I'm capable of doing so many things to help people around the country and the world.
In Britain, you do your job. When you do an American TV show, there is a sense of being one with the crew, and there is a leadership element, which was a learning curve for me because it is very different culturally. In Britain, you just do it, leave and say, 'Thanks.'
A successful artist of any kind has to work so hard that she is justified in refusing to lay down her sceptre until she is placed on the bier.