Some things are said to be "too big to fail."

Now it seems that some truths are "too big to publish."

That’s one of the jaw-dropping explanations behind the mad rush to label the world’s most widely used herbicide as cancer causing — a bad choice that has caused enormous problems for farmers like me who rely on this tried-and-true crop-protection technology.

Last month, Kate Kelland of Reuters published a blockbuster expose on the controversial decision two years ago by the International Agency for Re­­search on Cancer (IARC) to declare glyphosate a probable source of cancer.

The sub-headline of her online article sums up the problem: "The World Health Organization’s cancer agency says a common weed killer is ‘probably carcinogenic.’ The scientist leading that review knew of fresh data showing no cancer link — but he never...