By Frederick Dixon: “Lies, damned lies and statistics”; I’m not sure that Disraeli’s famous quote is really fair because figures, if they are accurate and complete, cannot lie. They can though be “spun” to prove that the glass is really half full rather than half empty. A perfect example of such spinning was to be seen earlier this week when the Telegraph blared that “Britain’s multi-cultural melting pot is gathering speed”.The cause of the excitement?…