McEwen - Subject to local approval, authorizes the mayor to appoint city officers, subject to confirmation by the city aldermen, in lieu of such officers being appointed by the board of mayor and aldermen; specifies the duties and authority of the city manager, once such officer to be appointed by the mayor; clarifies that the mayor shall have supervision and control of all administrative affairs of the city; establishes that the mayor may only suspend officers or other employees of the city if approved by the city aldermen rather then having the sole authority to take such action. - Amends Chapter 669 of the Private Acts of 1951; as amended.