In case memories had faded of the shocking scenes at our Capitol on Jan. 6, 2021, the investigative hearings this summer brought them all back. It’s sickening to comprehend how close our leaders came to physical danger. At one time the rioters, or insurrectionists, or whatever you want to call them, were just 40 feet from Vice President Mike Pence—and they were calling for his head.

Some have tried to spin that wretched event into something more palatable, although the evidence is mounting that much worse could have occurred had the thin blue line not held.

We say, “never again.”

To that end, a bipartisan group of senators—a rarity in this divided age—introduced last week a measure to reform and modernize the Electoral Count Act of 1887, along with related legislation. Virginia’s Mark Warner was among the 16 senators, nine Republicans and seven Democrats, co-sponsoring this measure.

A release from Warner’s office said the proposal is intended “to ensure that the electoral ...