An Iranian woman sentenced to death for killing a man who tried to rape her told her mother goodbye and prepared to die, even as the Islamic republic’s president was meeting with world leaders at the United Nations. Rayhaneh Jabbari, 26, is set to be executed Tuesday, according to reports from Iran. On Monday, her mother, Shole Paravan, recounted on her Facebook page an emotional farewell call her daughter made when a sympathetic guard loaned her a cellphone before she was taken to Rajaiy Shahr Prison to be hanged. […] In April, a court postponed Jabbari’s execution in the face...