A death in the Capitol, and what we must do now

As horrifying as this moment is, we have no option but to make it better.

Amid the bombardment of images of what took place at the U.S. Capitol Wednesday, too little time has been spent thinking about why it happened. Anyone who is trying to understand the significance of what's going on ought to watch video of the last moments of Ashli Babbit, the woman who was shot and killed in the chaos.

Footage, which can easily be found online, shows Babbit standing in a hallway right off the House...