“I’ll tell you this,” says emcee Weyman Bennett into his mic. “Nazis can’t dance.” His words sound across Trafalgar Square, and the crowd goes nuts. It’s the final hour of the House Against Hate protest rave, and kinetic energy picks up and races through the throng of dancers. In the front row moves a crew of ravers from all backgrounds: a whining baddie in a “You are now entering Free Derry” t-shirt; an old head in a hot pink frontless tank top, deep in a full seven-hour dance shift;hellip;read more raquo;nbsp;nbsp;nbsp;nbsp;nbsp;nbsp;View Gallery (15 images)nbsp;