"Some people do not understand that there is a difference regarding gun owners...The right to own a gun is embedded in our Constitution." Ironically it is you who doesn't understand. It is our natural God given right to self defense in question. The Constitution does not grant this right, it restricts government from infringing upon it. If the Constitution did not exist, we would still have the right to defend ourselves from tyranny, madness and crime. You further contradict yourself when stating that most schools are already under lockdown, but armed guards would cause unacceptable lockdowns. It isn't necessary for every school to have uniformed guards. Trained staff and teachers could use concealed carry to eliminate "gun free zones".