Del Mar Drama’s next production, Sarah Ruhl’s “Eurydice,” has begun rehearsals. Even though I told myself I was going to take a break from acting after “West Side Story,” I’m acting for this production too, as I am one of the six Stones cast. “Eurydice” is a retelling of a classic Greek story, that of the newlywed Eurydice and Orpheus. Separated twice, first by Eurydice’s death and second by Orpheus’ breaking of a rule, Orpheus’ search for death leads him back to Eurydice, only with them both in the underworld. The play takes many liberties on the story and places…