Jeff Bezos, the billionaire owner of the Washington Post, is making changes to the newspaper’s opinion pages to limit what he described as viewpoints opposing “personal liberties and free markets.”

David Shipley, The Post’s opinion editor, is resigning after trying to persuade Jeff Bezos to reconsider the new direction.

Washington Post owner Jeff Bezos on Wednesday announced a “significant shift” to the publisher’s opinion page that led David Shipley, the paper’s editorial page editor, to leave the paper.