When he says Rosebud, Susan Anthony has just left him. he suddenly realizes he has squandered the second half of his life and he is trying to remember what he was doing before he met her. what he was doing was, he was on his way to the warehouse where all his childhood possessions were stored (where Rosebud was). He was trying to regain his humanity when he was distracted by a pretty girl.
Widely regarded as the best movie evar! (There has to be one right?) Its a seminal part of western culture. You have to see it just to say you have. Ever wonder why George Hearst is the biggest bastard in Deadwood? or why Patty Hearst became the cover girl for Stockholm syndrome? Who built the castle on the California coast? or why Spielberg paid $55,000 for Rosebud?...See this film to find out.