Open this photo in gallery: This screen grab taken from video released by the Parliament of Australia on June 15, 2023 shows independent senator Lidia Thorpe addressing the Senate in Canberra.HANDOUT/AFP/Getty Images An Indigenous senator in Australia was targeted with threats and racial abuses in a video on social media, just days before the country votes in a referendum on whether to constitutionally recognize its Aboriginal and Torres Strait Island people. Australians will vote on Oct. 14, asked if they support a change to the constitution to include a “Voice to Parliament,” an Indigenous committee to advise parliament on matters...