Acronyms, mixed metaphors and clichés mar newsletters The indiscriminate use of initialese and tired clichés tarnish otherwise good publications. By Bill SweetlandJan. 2, 2008 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.