Elephants at Risk

The largest ivory crucifix in the Philippines hangs in a museum in Manila. The body of Christ, 30 inches long, is carved from a single tusk. The piece dates to the early 1600s, when Spanish galleons began bringing Asian ivory craftsmanship to Spain and the New World. © Brent Stirton, Reportage by Getty Images/National Geographic

Hour 2:           Why were more than 25,000 elephants slaughtered last year? We’ll talk this hour with Bryan Christy, who spent over two years investigating the tragic killings for National Geographic Magazine. His cover story, “Ivory Worship,” appears in the October 2012 issue of the magazine.