A certain idea of the avant-garde posits the possibility of a total rupture with the past. The Unfinished Art of Theater pulls back on this futuristic impulse by showing how theater became a key site for artists on the semiperiphery of capitalism to reconfigure the role of the aesthetic between 1917 and 1934. The book argues that this "unfinished art"--precisely because of its historic weakness as a representative institution in Mexico and...