Haye might have been allowed one soft touch after nearly four years away, but not two in a row, and both billed as main events.
Madonna's interludes are as good as the main event.
In sport, in anything, the encore is seldom as good as the main event, but optimism stands a chance this time surely.
As well as the main event and Fringe in August, the city puts on festivals, from science to storytelling, throughout the year.
As well as the main event in London, you can join the action at seven venues across Britain hosted by Observer writers where the event will be streamed live: Manchester, Liverpool, Newcastle, Edinburgh, Cardiff, Bristol and Brighton.
Fifa has told the Brazilian football authorities that they are in a race against time to be ready for the Confederations Cup in June, as well as the main event in a year's time.
The network has been tested in the San Francisco Bay Area, and sensors were sent to New Zealand following the earthquake in September 2010 to learn more about the occurrence of "aftershocks" – which are almost as dangerous as the main event itself.
They rated the overall event, as well as the main event, a five out of ten.
