North Korea aired a new propaganda film on TV about a failed assassination attempt on the country’s supreme leader, with South Korean media describing it as an “unprecedented work addressing a taboo”. The film Days and Nights of Confrontation, which had been screened at cinemas in Pyongyang since last year, was released for the first time on state-run Korean Central Television in January. The latest piece depicting a plot to kill Kim Jong-il, the late father of incumbent leader Kim Jong-un, by.....