> Very quietly, very securely, very aware, he has been preaching the dogma of Open Source

By the end of 1998, Stallman had formulated a position: open source, while helpful in communicating the technical advantages of free software, also encouraged speakers to soft-pedal the issue of software freedom. Given this drawback, Stallman would stick with the term free software.

http://www.oreilly.com/openbook/freedom/ch11.html