Dash it all! A guide to ems, ens and hyphens Why the shortest distance between sanity and madness is a trio of line segments. By Ragan StaffAug. 19, 2009 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.