Yes, Congress can expand scrutiny of gun sales without violating the Second Amendment. The real question? Whether those checks would accomplish anything.
Social engineers love to think they possess the wisdom of the ages—and to inflict it on others. Tocqueville noticed this conceit two hundred years ago.
Retired Marine Corps Gen. Jim Mattis, the former secretary of defense and an exceptionally well-read warrior, has said, “Throughout history, we see nations with allies thrive, and nations without allies wither.”