Planned Parenthood’s Margaret Sanger Problem

Across the country this summer, progressive activists have demanded—or simply executed—the dismantling of monuments to a wide variety of historical figures. Statues of Robert E. Lee, Christopher Columbus, and George Washington have been toppled; public schools and Ivy League universities have set to work removing names like Jefferson Davis and Woodrow Wilson from their buildings. President Trump has called it a “left-wing cultural revolution.”

This week, the sprawling movement for historical reckoning arrived for one of the giants of the reproductive rights movement: Margaret Sanger, the founder of what became...