Gun Control & RKBA

You are wrong in that The People were not given any rights by the Bill of Rights. The BoR doesn't create or bestow a right. The BoR was required by the People in order to accept the new government because many people were rightly suspicious of a new federal government. You are also wrong concerning "bearing a firearm in public". For most of US history states regulated both open and concealed carry. OC was rather normal but restricted somewhat within town limits. CC has, in most states for most of US history, been regulated as requiring a permit. A prominent exception to the CC restriction norm is Vermont which has no permit requirements now nor ever since before its statehood in 1791.

As far as guns in schools, I spent 4 years on the varsity rifle team at my school.

Much of the violence problems in towns and cities is due to gang activity. This has always been the case.
* Stolen cars and chop shops- gang activity
* Alcohol during prohibition- gang activity
* Drug sales- gang activity
* Prostitution- gang activity
* Protection enforcement- gang activity
* Gambling- gang activity

Gang activity thrives on prohibition and banning type laws. Making something more difficult to obtain which folks believe they need fuels black market and gang activity. Once a gun has been fired during a crime it becomes more of a consumable than a hard asset.

Government is coming around slowly on ways to short circuit some of this by making pot legal and allowing gambling at casinos and online. But the pro ban, restrict and confiscate faction of government has been more quiet than usual. Perhaps they are off wearing thinking caps having decided among themselves, "Jesse, we have to cook!"