Passengers cannot bring a gun or ammunition in carry-on luggage unless the passenger is law enforcement.

But TSA regulations do permit passengers to bring guns and ammunition in checked baggage, as long as TSA is notified ahead of time and the gun is packed in a separate container and unloaded. submitted a petition but TSA did not yet respond.

Especially in light of recent events, the potential for mass shootings and the opportunity to take reasonable measures to prevent them loom large to Americans of all stripes.

This includes airline passengers in enclosed public spaces, where they are perhaps most vulnerable to these attacks.

Click here to read the article and petition on