Jon S. Willson The horrifying May 24 massacre at an elementary school in Uvalde, Texas, which killed 19 children and two adults, happened just 10 days after a gunman murdered 10 people at a supermarket in Buffalo, New York. Both crimes predictably prompted politicians to reiterate their demands for the gun control laws they already supported, even though the policies they pushed are fundamentally ill-suited to prevent mass shootings. “In New York,” former Gov. Andrew Cuomo bragged after the Buffalo attack, “we passed the best [gun control] laws in the nation.” Although those laws manifestly did not deter the Buffalo...