 Apparently Ronald Reagan (I) (qv) was amused by Doc Browns  disbelief that an actor like him could become president, so much so  that he had the projectionist stop and replay the scene. He also  seemed to enjoy it so much that he even made a direct reference of  the film in his 1986 State of the Union address: "As they said in  the film _Back to the Future (1985)_ (qv), "Where were going, we  dont need roads."