When discussing limitations on the right to arms, many people offer that we have restrictions on things such as libel, slander and yelling fire in a theater; if the right to free speech can be so limited, the right to arms can be similarly limited. Because of this, it is argued, restriction on the simple ownership/possession of a firearm, like licensing, registration, background checks and waiting periods, are all constitutionally permissible. To then look at the issue.. Libel and slander are not protected by the 1st because they cause harm to others. Yelling fire in a theater is not protected by the 1st because it places others in a condition of clear, present and immediate danger. The question, then: What harm does simple ownership/possession of a firearm cause to others? How does simple ownership/possession of a firearm place others in a condition of clear, present and immediate danger? I look forward to your on-on-topic responses.