William Taft actually said...
Initial appointments from outside the service to secretaryships in the diplomatic service shall be only to the Classes of Third Secretary of Embassy, or, in case of higher existent vacancies, of Second Secretary of Legation, or of Secretary of Legation at such post as has assigned to it but one secretary.
Context
Executive Order 1143—Regulations Governing Appointments and Promotions in Diplomatic Service and for the Improvement of the...
11/25/1909