At a time when shared national events are in ever-shorter supply, for the broadcaster to reduce its world-class coverage of Buckingham Palace flypasts and other such ceremonial occasions risks undermining its own mission, says Jennie Bond I n this age of fractured concentration, when anything longer than a few seconds is judged to be at risk of boring an audience, there is something timeless and dignified about the BBC’s expert coverage of major national events. At moments of celebration or