Is it filthy lucre? A Canadian firm may be damaging its homeland’s gilded reputation for the sake of precious metal. A decade ago, Toronto-based Barrick Gold bought a mine in Papua New Guinea — and gut-wrenching controversies. A Human Rights Watch investigation alleges local girls and women were regularly raped by mine employees, crimes local authorities and the company failed to address. But in Canada, the allegations have attracted little scrutiny, just as officials scramble to explain how the country’s golden gender-equality ranking has turned to lead.