While covering Sunday’s “Rally Against Hate” in Berkeley, California, today, Reveal host Al Letson witnessed a man being attacked by a group of protesters. The man was balled up on the ground, fending off blows from several people. Al jumped in front of the batterers, protecting the man from further injury. On this special episode of Reveal, Al talks about what happened and how the battles between right- and left-wing protesters are playing out.