By Lucy Kenningham There may be more effective ways to bring the nation together than a St George’s Day festival, writes Lucy Kenningham A rather sad tribute to St George’s Day took place on Sunday. In a particularly drab-looking Trafalgar Square, little flags were erected and food tents set up. London Assembly sent out the programme: welly wanging, sea shanty chanting, face painting, pearly kings and morris dancing. There would be folk dancing and music from a band called ‘The Snottledogs’. One attendee, high on the idea of witnessing English nationalism for the very first time, filmed a vlog…