Speaker Mike Johnson could look to another GOP speaker who took on rebels in his own party

Cannon’s control was so notoriously ironclad that he was referred to as “Czar” Cannon. In his 1964 book “Mr. Speaker: Four men who shaped the United States House of Representatives,” biographer Booth Mooney tells of a constituent who asked his representative for a copy of the House rules, only to receive a photograph of Cannon in return.