PARIS (AP) — As French police race to track where the Louvre's stolen crown jewels have gone, a growing chorus wants a brighter light on where they came from. The artifacts were French, but the gems were not. Their exotic routes to Paris run through the shadows of empire — an uncomfortable history that France, like other Western nations with treasure-filled museums, has only begun to confront. The attention sparked by the heist is an opportunity, experts say, to pressure the Louvre and to...