After the end of [[World War II]], Morrison introduced a bill to grant U.S. citizenship to New Orleans ''[[Mafia]]'' boss Sylvestro Carolla "Silver Dollar Sam" Carolla in order to prevent Carolla's deportation. Though he signed the [[Southern Manifesto]] and later joined all Louisiana congressional delegation members in voting against the [[Civil Rights Act of 1964]], Morrison was considered politically liberal during the 1960s because of his support for many federal social programs. | After the end of [[World War II]], Morrison introduced a bill to grant U.S. citizenship to New Orleans ''[[Mafia]]'' boss Sylvestro Carolla "Silver Dollar Sam" Carolla in order to prevent Carolla's deportation. Though he signed the [[Southern Manifesto]] and later joined all Louisiana congressional delegation members in voting against the [[Civil Rights Act of 1964]], Morrison was considered politically liberal during the 1960s because of his support for many federal social programs. |