What is the fine-grained topic of the following text: In 1965 the Labor party government enacted a new libel law (called literally 'the Law of the Evil Tongue') which was then clearly designed to muzzle 'Haolam Hazeh', the mass-circulation news magazine I was editing, which had introduced investigative reporting to Israel. Only return the topic.
1965 Libel Law Impact on 'Haolam Hazeh' Magazine in Israel