NEW YORK (AP) — The New York Times' editorial page editor resigned Sunday after the newspaper disowned an opinion piece by U.S. Sen. Tom Cotton that advocated using federal troops to quell unrest, and it was later revealed he hadn't read the piece prior to publication.

James Bennet resigned and his deputy, James Dao, is being reassigned at the newspaper, the Times said Sunday.

The fallout was swift after the Arkansas Republican's piece was posted online late Wednesday. It caused a revolt among Times journalists, with some saying it endangered black employees and calling in sick on Thursday in...