Mank trades in the grandeur and movie-making magic of Old Hollywood in the 1930s for something far more insidious: a look at the smarmy, capitalist underbelly of the fantasy industry. Or as movie mogul Louis B. Mayer (Arliss Howard) says in the film, now streaming on Netflix: audiences pay in dollars while checking their disbelief at the door. It's all about the benjamins. Mank is ostensibly about the creative process behind the making of Citizen Kane, that magnum opus viewed