Polling is clear: Americans want gun control

The massacre of children at an elementary school in Texas is adding fresh urgency to the conversation about gun control in the United States, which has been politically fraught and lacking in progress. That’s not because of a lack of support for gun control. That support just needs a little bit of parsing.

To be clear: Americans’ views about guns are complicated, and vary significantly by political party and geography. Overall, the vast majority of Americans support the right for private citizens to own guns, and more than 40 percent of households own at...