Choreographer Sir Matthew Bourne has spoken about the risk he took almost 30 years ago in reimagining Swan Lake with an all-male cast - a production now widely billed as the most successful dance theatre production of all time. "The idea of male swans just seemed to be that thing which captured my imagination, and then eventually seemed to capture everyone else's," he told The Independent's Editor-in-Chief Geordie Greig. "It was a bit scary at the time, sticking my neck out and doing something