Jenna Ortega and Amy Adams are set to lead the cast of ‘Klara and the Sun’. The duo are in negotiations to star in Taika Waititi’s movie that is based on the New York Times best-selling novel by the Japanese-British author Kazuo Ishiguro. The story follows Klara (Ortega), a robot girl designed to stop teenagers from getting lonely. Klara is purchased by a mother (Adams) and a bright teen girl called Josie who loves her robot companion but is suffering from a mysterious illness. Klara attempts to save Josie and her loved ones from heartbreak and ends up discovering the power of human love in th…