Oswald in the doorway: the blog of the Oswald Innocence Campaign, by Ralph Cinque

This shows it. You can see in the diagram where the man was in relation to Kennedy. It was a location that would have called for him to reorient his whole bodily position, not just turn his head. Why strain your neck? You turn your whole self at that point. But, the guy in the picture isn't doing that. He is NOT that man by the Obelisk.