I had been pleased to accept the invitation from the Swindon-Calais Solidarity group to visit the Calais Refugee camp, or 'Jungle' as it is sometimes known, and support their impressive attempts to help feed, clothe and provide shelter to the ever-increasing numbers of refugees, but was already apprehensive about what I would find in the days leading up to the weekend. I can't remember a weekend with such a lot of starkly contrasting experiences. I had been pleased to accept…