The March for Our Lives went within shouting distance of my apartment last weekend, and as the topic has filled the news cycles I keep noticing how the technological parallels between guns and cars pop up in conversation. For one thing, there are the slippery slopes: "If you ban guns, why not ban cars too?" "OK with me!" More seriously, in a recent episode of the Reveal radio show about gun reform, a reporter make a comparison more explicitly. They asked whether gun reform could follow a similarly "successful" path as auto safety efforts. Here's the description: Reveal�s Stan Alcorn looks at another public safety threat that used to be responsible for more deaths each year than guns: automobiles. While gun deaths have remained about the same for decades, car deaths have declined dramatically. That decrease began when the government started collecting data on car accidents and passing it on to carmakers, which used it to design safer cars. Public safe...