As for gun registration, such protective laws are easier to pass in places where they are not needed, eg. Louisiana or other pro-gun States.

In a State with powerful anti-gun forces, however,
http://www.cnn.com/2012/12/25/us/new-york-gun-permit-map
names and addresses published on lists can incite stalking behavior by the mentally unbalanced and the terminally self-righteous. If someone set up a picket line outside a gun-owner’s house in rural Texas, few local jurors would question the means used to make him go away. In New York, however, the big media would be praising and encouraging the stalker.

In response to the provocation mentioned above, New York’s legislature did pass a law protecting gun owner lists from publication. Minds may have been concentrated when pro-gun activists posted on-line names and addresses of the dirt-ball newspaper’s employees. What’s sauce for the gander is sauce for the goose…