Google wasn’t represented at a Senate hearing last month on political censorship. But it assured lawmakers in a written statement that “our products serve users of all viewpoints and remain politically neutral” while acknowledging that “sometimes our content moderation systems do make mistakes.” This week my organization was hit by one such “mistake.”

On our American Mind website, the Claremont Institute recently launched a campaign to engage citizens in debate about what it means to be an American. We are warning about the...