A joint project to renovate and reopen the “House of Xhafer Deva” in his native Mitrovica in Kosovo has sparked outrage in some quarters. By all accounts, Xhafer Deva, a founding member of an Albanian government installed by Germany in 1943, made himself useful to the Nazis. And by many accounts, as that wartime government’s interior minister in charge of troops, he was a Nazi collaborator and an enabler, or worse, in the murder of innocent Jews, Roma, Serbs, and Albanians. So it’s unsurprising that the late Albanian nationalist’s legacy in one of the Balkans’ most bitterly divided cities stirs...