The people who think the Second Amendment phrase “well-regulated” means “not regulated at all” are back. This time, they’re pushing a dangerous idea called “concealed carry reciprocity” that would allow people who get concealed gun carry permits in states that have absolutely no restrictions to carry those hidden, loaded guns anywhere in the country. That means a state such as Illinois could no longer draw a line and refuse to give concealed carry permits to people convicted of violent misdemeanors, substance abusers, repeat drunken drivers or who have severe mental health issues. Under the U.S. House version of a proposed...