Hundreds of <a href="https://en.wikipedia.org/wiki/University_of_California,_Berkeley" id="mw5w" rel="mw:WikiLink" title="University of California, Berkeley">University of California, Berkeley</a> students congregate for the first day of protest against a visit by the <a href="https://en.wikipedia.org/wiki/House_Un-American_Activities_Committee" id="mw6A" rel="mw:WikiLink" title="House Un-American Activities Committee">House Committee on Un-American Activities</a>.