If you want to know where many unconstitutional weapons laws actually come from, do not bother digging through crime data or history books. Just watch a musical. Enter West Side Story. A beautifully crafted, emotionally manipulative stage and film production from Bernstein and Sondheim. Tragic. Romantic. Memorable. Also fictional. That part mattered to everyone except lawmakers. Legislators across the country watched a stylized gang melodrama, dried their tears and promptly went to work banning objects. Switchblade knives, in particular. Not because of statistics. Not because of real world trends. Because a movie made them feel something. Italian stilettos were suddenly public enemy number one. Yes, they opened fast. So what. If speed were the issue, a fixed blade hunting knife would have ended the battle much sooner. But logic does not test well in legislatures. And legislators, as it turns out, do not take intelligence exams. They pose for cameras, shake hands and smile w...