In the case of these gun shows it's not actually a matter of carrying a concealed weapon. It's an issue of the presence of ammunition in the exhibition hall that forces the licensed gun owner to unload and "secure" the firearm. The owners and operators of these events have every right to make that a requirement of attending the event.
Those individuals who walk into these gun shows may or may not have either. This means that a totally ignorant individual may be walking into a situation where there is a high quantity of firearms to potentially be handled. Most of the individuals with tables at these events are not "responsible gun owners"; they're gun dealers. Their stock and trade is selling firearms. In my experience way too many of them make the firearms on their tables too easily available to the attendees without anywhere near enough oversight or control. Yes, I personally make sure I know who it is that I'm handing a firearm to, loaded or unloaded, every time. Not everyone does that, and definitely not dealers at many of these shows.
1. "Shall not be infringed" refers to the Government not creating excessive limitations. It is not a totally open-ended Right.
2. We definitely can, should, have, and will continue to do exactly that. Even in our most basic licensing laws we do it.
3. We don't become safer with more guns. We become safer when responsible individuals are allowed to own, carry, and use the firearms they need to protect themselves, their families, friends, and society in general.
4. We should offer that as an option to teachers and staff who are willing, capable, and interested in doing so.
5. The separation of firearms and ammunition at such an event makes sense due to basic safety precautions, just as one would do when cleaning or repairing a firearm.