Outrage Over Pesticides Is Alienating a Group of Trump Voters

In December, I argued that Vani Hari—an activist better known as Food Babe—had played a pivotal role in getting President Donald Trump elected a second time. It was her relentless campaign against the artificial food dyes in Froot Loops, eventually picked up by Robert F. Kennedy Jr., that gave “Make America Healthy Again” the following to be not just a slogan but also a movement.

So what do I think it means for Trump that Hari rallied supporters outside the Supreme Court on Monday morning and explicitly castigated him? Take a guess.

The justices were set to listen ...