So they can send the SEIU to intimidate them

Ohio Democratic Party unsuccessfully tries to get gun records

Fortunately the Sheriffs know and obeyed the law. It is not public knowledge.

In California a judge has just permitted those who are against Prop 8's passage (limiting marriage to a man and a woman) to know the names of the people who signed the petition that got measure on the ballot in the first place. Now why do you think they want that information?

Add to that the Left's push for "card check" which removes the protection of the secret ballot in union organizing efforts and you get a pretty scary picture.