The Mexican Revolution--that violent, inchoate, never-quite-complete break with the past--opened a new era in Mexican art and letters now known as the "Mexican Renaissance." In Mexico City, a coterie of artists including Diego Rivera, Jos? Clemente Orozco, and David Alfaro Siqueiros explored how art could forward revolutionary ideals--and, in the process, spent countless hours talking, gossiping, arguing, and partying. Into this milieu came Anita...