In the mid-1980s, Mohammad Bakri was the hope. The Arab actor with the blue eyes and determined look starred with Arnon Zadok in “Beyond the Walls,” proving that Arab-Jewish solidarity was possible. That this place might actually have a positive horizon. The movie was set in a prison where Arab and Jewish prisoners lived side by side, and the prison authorities’ abuse led to unity. Cooperation between the two sides proved to be the best way to sway the authorities and improve conditions for everyone.