Guns and where to draw the line in the sand

Many cities, every state government and the federal government have laws about individual conduct regarding firearms. DC v Heller explains that 'reasonable restrictions' in the way of gun laws are okay and not unconstitutional. The question is, "Where does that line go?"

Which guns are okay?

Who can be prohibited?
The current list:
A person who has been convicted in any court of a crime punishable by imprisonment for a term exceeding one year or any state offense classified by the state as a misdemeanor and is punishable by a term of imprisonment of more than two years.
Persons who are fugitives of justice—for example, the subject of an active felony or misdemeanor warrant.
An unlawful user and/or an addict of any controlled substance; for example, a person convicted for the use or possession of a controlled substance within the past year; or a person with multiple arrests for the use or possession of a controlled substance within the past five years with the most recent arrest occurring within the past year; or a person found through a drug test to use a controlled substance unlawfully, provided the test was administered within the past year.
A person adjudicated mental defective or involuntarily committed to a mental institution or incompetent to handle own affairs, including dispositions to criminal charges of found not guilty by reason of insanity or found incompetent to stand trial.
A person who, being an alien, is illegally or unlawfully in the United States.
A person who, being an alien except as provided in subsection (y) (2), has been admitted to the United States under a non-immigrant visa.
A person dishonorably discharged from the United States Armed Forces.
A person who has renounced his/her United States citizenship.
The subject of a protective order issued after a hearing in which the respondent had notice that restrains them from harassing, stalking, or threatening an intimate partner or child of such partner. This does not include ex parte orders.
A person convicted in any court of a misdemeanor crime which includes the use or attempted use of physical force or threatened use of a deadly weapon and the defendant was the spouse, former spouse, parent, guardian of the victim, by a person with whom the victim shares a child in common, by a person who is cohabiting with or has cohabited in the past with the victim as a spouse, parent, guardian or similar situation to a spouse, parent or guardian of the victim.
A person who is under indictment or information for a crime punishable by imprisonment for a term exceeding one year.


What's wrong with the list? What can be added? What can't? In your own words...