BERKELEY (CBS SF) — A man being sought for the assault of a conservative activist on the University of California, Berkeley campus last month has been arrested. A statement from UC Berkeley Public Affairs said a warrant was issued for suspect Zachary Greenberg and UC police arrested him Friday, booking him into jail at 1 p.m. Greenberg was identified as one of two men who confronted a conservative activist who had set up a table in Sproul Plaza. Hayden Williams, volunteer with conservative group Turning Points USA was displaying signs that read, “Hate Crimes Hoaxes Hurt Real Victims” – a...