SHOOTINGS in Boston are up 28 percent over last year, The Boston Globe reported last week. One culprit the Globe singled out: New Hampshire gun laws. The paper noted that police have traced some guns to "New Hampshire and Vermont, where firearms laws are less strict and easy for criminals to manipulate." Or, to put it another way, they have traced guns to New Hampshire and Vermont, where firearms laws are less strict and citizens have an easier time obtaining guns for self-defense. If our firearms laws are the cause of high gun crime, then why is most of the...