Where were you in Chicago? Lyrics

Oh, where were you in Chicago? You know I didn't see you there I didn't see them crack your head or breathe the tear gas air Oh, where were you in Chicago? When the fight was being fought Oh, where were you in Chicago? [ From: http://www.metrolyrics.com/where-were-you-in-chicago-lyrics-phil-ochs.html ] 'Cause I was in Detroit.
"That's about the movement psychology."