Kamala Harris had a plan for executive action on guns. Biden hasn’t adopted it

When she was running for the White House, Kamala Harris proposed a set of novel executive actions she believed a president could take to prevent gun violence without Congress. They’ve mostly gone nowhere in the Biden administration.

After a heartbreaking stretch of gun violence in America during which a shooter on Tuesday in Texas killed 19 children and two teachers at an elementary school and an attacker in Buffalo, N.Y., targeted and killed 10 Black people at a grocery store less than two weeks earlier, attention has once again turned...