First look images from Mank, David Fincher's biopic of Citizen Kane co-writerHerman Mankiewicz, were released Saturday — subsequently the 79th anniversary of "Citizen Kane Day." Mank,the nickname for Mankiewicz,will show a 1930sHollywood re-evaluated through the eyes of the scathing social critic and alcoholic screenwriter as he races to finish the screenplay of Citizen Kane for Orson Welles.