https://www.cs.columbia.edu/~smb/blog//2018-02/2018-02-23.html By Steve Bellovin on "Usenet, Authentication, and Engineering (or: Early Design Decisions for Usenet)" http://www.newsweek.com/april-fools-day-april-fools-kremvax-kremlin-soviet-union-usenet-piet-beertema-318451 On the Kremvax April Fools joke. Arnold