Desc: The Challenge: Defending Julian Assange: Directed by Clara López Rubio, Juan Pancorbo. With Baltasar Garzón, Julian Assange, Renata Avila, Sarah Harrison. Since he took on the case in 2012, defending Julian Assange has put judge Baltasar Garzón's talent and ability to the test. They've won a few battles, but nobody knows how the war will end.