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. The changes upended precedent and rattled a media company that has already been shaken by years of turmoil and leadership turnover.

The tech mogul’s decision to revamp the editorial pages around his own views threatens not only independent journalism, but the Post’s business future.

Jeff Bezos is shaking up the opinion pages at The Washington Post again, telling employees Wednesday morning that the section