Fantastic idea for a thread. Nice job.
I've mentioned this on one of The Godfather threads, but I'll discuss it again here for those who might not have seen that one.
I love it when the camera work itself is used to emphasize, or in this case foreshadow the film's theme--which in the case of the Godfather is the fall from grace of Michael Corleone and how that corrupts his soul, and most importantly, what it eventually costs him.
Prior to this scene it's been made clear to us that Michael did not want to be part of the family business, and explained to Kay that their criminal life and the violence associated with it was repellant to him. "That's my family, Kay. It's not me."
All of that changes in this scene. As he explains in Godfather III, "I had a whole different destiny planned out. But my father was in danger, what could I do?" In this scene, as Michael explains that they can't wait to take action because regardless of what Sollozzo says, killing Vito is necessary for his business to move forward, Michael outlines his plan to murder Sollozzo and McCluskey--an act that will forever alter his future and make him an integral part of the Corleone family business.
As Michael begins his explanation, we've got a pretty wide angle view of Vito's office. We can see Tom Hagen still in the picture, and Sonny has just exited to the right. Clemenza and Tessio are in the room as well. The camera begins to slowly zoom in on Michael as he outline the plan. And by the moment he says, "I'll kill 'em both," Michael is all alone in the shot, beautifully foreshadowing that his decision will eventually cost him everything he loves, and leave him isolated and alone in the world. We get a similar shot of him sitting alone at the end of II, and at the end of III, when he dies. If I did it right, the video should begin as he starts his proposal.