When you lose a son, what do you do? If you're Manuel Oliver, you turn grief into action. GUAC is a fearless, funny, and deeply moving theatrical tour-de-force about a father turned activist. Seven years after his son Joaquin "Guac" Oliver was killed in the Parkland shooting, Manuel Oliver channels his love, loss, and rage into a powerful force for change. From pepperoni bacon pizza to air guitar solos, Oliver pain…