Second Amendment may preclude lifetime ban on gun possession by people who have been committed to a mental institution long ago

In D.C. v. Heller, the Supreme Court stated that bans on gun possession by “the mentally ill” are constitutional. But federal law bans gun possession not just by the mentally ill, but by anyone who “has been adjudicated as a mental defective or has been committed to any mental institution.” Arlyn Johnson is being prosecuted […]