What is the theme in Twilight: Los Angeles, 1992 by Anna Deavere Smith?

Closely related to themes of race and racial prejudice, anger and hatred have a powerful, resonating presence in Twilight: Los Angeles, 1992. Some of the persons, like Rudy Salas, Sr., the Mexican artist, seem almost consumed with hatred. His is directed against "gringos," especially white police officers. His anger is shared by others, mostly by inner-city blacks and Latinos who resent the treatment afforded them by the LAPD, what Theresa Allison calls "the hands of our enemy, the unjust system."