Voters in New Caledonia, an archipelago in the Pacific Ocean some 1,200 kilometers east of Australia, will go to the polls on Nov. 4 to decide whether they desire independence from France. With a population of roughly 270,000 people, the islands are heavily dependent on financing from Paris. But they are also home to around 15 percent of the world's reserves of nickel, a metal present in a vast line of products from steel to electronics, and host French naval and air forces. Secessionist groups in Europe, as well as New Caledonia's neighbors, will be watching the vote closely....