Constitutionality
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." Second Amendment, Bill of Rights
Practicality
"A tool is an instrumentality for the accomplishment of a particular goal." The Ethics of Guns, by Jonathan Wallace
Morality
"Public outrage over the senseless loss of life has led some to blame the criminal behavior on the prevelance of firearms in America. " Indiana Family Institute