In "The War of the Fatties," a campy, tongue-in-cheek retelling of an episode from the Mexican "Trojan War," naked fat women from Tlatelolco discombobulate Tenochtitlan's invading army by squirting them with breast milk. Told with satiric allusions to the policies and tactics used by Mexico's current ruling party, PRI, to consolidate its power, the play unfolds a history of vain rivalry and decadence, intricate political maneuvers, corruption, and...