My response to the comment that "guns don't belong in parks".
A couple points in response to your posting above.
Keep in mind that criminals will never obey this law. The "need requiring the wearing of guns" is to allow for the defense of self and others against those who mean you harm. Banning guns has never stopped a criminal, and in fact banning guns has encouraged criminals to target the area that is known to be safe for the criminal. Look at shootings around the country. They generally occur in areas in which law abiding citizens are prohibited from carrying the means of self defense: schools, universities, states without legal carry. When was the last time you heard about a mass shooting at a gun show or a police station. Just doesn't happen.
Secondly, if you don't want your children to grow up in an armed society you may wish to consider the alternative. Societies in which guns are the sole province of the government do not stay free societies for very long. History is replete with examples.
The facts are that your children are safer when there are people with guns around who are ready and willing to protect them, and society is safer when the government does not control the only arms.