The politician with the best sense of humour is…

Union finance minister P. Chidambaram has gently bared his teeth at the dogs barking at his ten per cent cut in import duty on pet foods, urging them to show a “sense of humour”. But does Chidambaram, ever so smug, ever so supercilious, ever so look-I-went-to-Harvard have a sense of humour himself?

Which Indian politician has the worst sense of humour? And which the best? Tell.