As I write it is about eight hours since I was elected as the leader of the Green Party of England and Wales. It has been, happily, a whirl. An ITN interview, two BBC television slots, the BBC World at One, Sky TV, Australian radio, chats with a string of national newspaper journalists ... And there is bound to have been something I missed out on that list.
Channel 4 News and its savant, cherished anchor Jon Snow threw out a seasonal challenge yesterday: who changed the world in 2011?