“Versailles… exists as an unparalleled and final statement that is likely never to be repeated,” declares the American Friends of Versailles on its website. Yet for all its singularity, like the Ship of Theseus, the Château must be restored, bit by bit, to fend off the ravages of time. Earlier this week, the organization’s annual gala, dubbed A Legacy of Light and held inside Versailles itself, raised money for a specific piece of history: the c…