Sometimes the producer has more say and the director takes what he is given. On other occasions, you don't see the producer very much and the director is the one who it is all about.
“In politics, as in religion, it is equally absurd to aim at making proselytes by fire and sword. Heresies in either can rarely be cured by persecution.”
“In theory, there is no difference between theory and practice. But, in practice, there is.”