Film director Roman Polanski is suing the Academy of Motion Picture Arts and Sciences, demanding reinstatement to the storied organization after he was expelled last May. The suit, filed in the state of California, says AMPAS did not follow proper protocol in dismissing him nearly a year ago. The Academy did so “in accordance with the organization’s Standards of Conduct,” they said at the time, adding their leadership expected members to “uphold the Academy’s values of respect for human dignity.” Polanski’s suit says the Academy’s expulsion decision “is not supported by findings, and the Academy’s findings are not supported by...