For the first time in centuries, the Bayeux Tapestry — a nearly 1,000-year-old piece of embroidery that depicts the invasion of England by William the Conqueror in 1066 — is on display in Britain. It was long said by art experts to be too fragile to move. But in a development that required geopolitical persuasion, this summer the tapestry made its way from Bayeux, France, to the British Museum…