It's overcrowded, the amount of litter is just outrageous and the queues for the ladies loos were enough to turn hardened drinkers teetotal for the afternoon. But it's free and relatively friendly and there's some great entertainment laid on, lots of excellent food and plenty of festival retail opportunities so once again we made a last minute decision to pop over to Cambridge and join the hordes on Midsummer Common for Britain's largest Free Festival.