Taliban gunmen killed a Christian aid worker in Kabul on Monday, and the militant group said it targeted the woman because she was spreading her religion. The dual South African-British national worked with handicapped Afghans and was killed in the western part of Kabul as she was walking to work around 8 a.m., officials said. The gunmen, who were on a motorbike, shot the woman in the body and leg with a pistol, said Interior Ministry spokesman Zemeri Bashary. The Taliban claimed responsibility for the slaying. "This woman came to Afghanistan to teach Christianity to the people of Afghanistan," militant...