People are right to be passionate and angry about what happened last week. I am angry and disappointed myself because it was an appalling scene to see. Anger, however, is not a policy, and it is disappointing that many people are reducing the issues that faced us last week to hollow slogans and demands for sackings or climbing on their own little hobby horses and claiming that those are behind what has happened here. The reality is that we are in a volatile situation, not only here but across the world, and we need…