While everyone else is working through the Mueller report this morning, we provide an alternative. Those readers with an historical bent will know about the loyalty oath controversy at UC going back to the 1940s and 1950s. The controversy at UC was actually a small part of a larger anti-communist campaign going back much further and encompassing many aspects of California life. A central figure was legislator Jack Tenney who, with another legislator (and eventually mayor of LA) Sam Yorty, started out on the political left, but became the center of the campaign. Yorty later abandoned Tenney and went on with his own career.
In any event, CALmatters today provides three links to an online exhibit of documents related to Tenney, loyalty oaths, etc.