He was appointed by US President Bill Clinton in 1993 as the US Ambassador to Nigeria , where he remained until 1997 .
Carrington served as the US Ambassador to Senegal from 1980 to 1981 .
Carrington was appointed by US President Bill Clinton in 1993 as the US Ambassador to Nigeria , where Carrington remained until 1997 .
Carrington served as the US Ambassador to Senegal from 1980 to 1981 .