I believe that's only for California state employees, and is a relic of McCarthyism. I guess a private company could copy the language into its own employment a

I believe that's only for California state employees, and is a relic of McCarthyism. I guess a private company could copy the language into its own employment agreement, but I haven't seen that done. Here's a 1949 song about it: http://www.writing.upenn.edu/~afilreis/50s/loyalty-oath-ditty.html http://www.writing.upenn.edu/~afilreis/50s/loyalty-oath-ditt... And a timeline/summary: http://sunsite.berkeley.edu/uchistory/archives_exhibits/loyaltyoath/timelinesummary.html http://sunsite.berkeley.edu/uchistory/archives_exhibits/loya...