Most states allow open carry of guns either with or without a permit. To open carry a firearm means to carry a gun in public where it is either completely or partially visible to others.

State-by-state maps offer an overview ... not mandate the licensing of gun owners or registration of firearms, and it does not require a permit to purchase or carry a handgun or rifle.

Tennessee became the latest state to allow teachers to carry firearms inside ... on adults carrying guns on school grounds; only students are prohibited. The map below details the different ...

In third was Connecticut, which Giffords said was due to changes in the state including the prohibition of open carry and ghost guns, the enactment of a safe storage law, and the requirement of ...