American Midnight: The Great War, A Violent Peace and Democracy’s Forgotten Crisis

Sounds familiar:
Postmaster General Albert Sidney Burleson excluded from the mail publications “calculated to…cause insubordination, disloyalty, mutiny…or otherwise embarrass or hamper the Government in conducting the war.” Among indiscretions deemed worthy of banishment were saying “that the Government is controlled by Wall Street or munition manufactures, or any other special interest” to “attacking improperly our allies.”