[PAR] [TLE] George J. Mitchell [SEP] George John Mitchell Jr. (born August 20, 1933) is an American lawyer, businessman, and politician.  A Democrat, Mitchell served as a United States Senator from Maine from 1980 to 1995 and as Senate Majority Leader from 1989 to 1995. [PAR] [TLE] David D. Cole [SEP] David D. Cole is the National Legal Director of the American Civil Liberties Union (ACLU).  Before joining the ACLU in July 2016, Cole was the Hon. George J. Mitchell Professor in Law and Public Policy at the Georgetown University Law Center from March 2014 through December 2016.  He has published in various legal fields including constitutional law, national security, criminal justice, civil rights, and law and literature.  Cole has litigated several significant First Amendment cases in the Supreme Court of the United States, as well a number of influential cases concerning civil rights and national security.  He is also a legal correspondent to several mainstream media outlets and publications.
[PAR] [TLE] George J. Mitchell [ SEP ] George John Mitchell Jr. ( born August 20 , 1933 ) is an American lawyer , businessman , and politician . A Democrat , Mitchell served as a United States Senator from Maine from 1980 to 1995 and as Senate Majority Leader from 1989 to 1995 . [PAR] [TLE] David D. Cole [ SEP ] David D. Cole is the National Legal Director of the American Civil Liberties Union ( ACLU ) . Before joining the ACLU in July 2016 , Cole was the Hon . George J. Mitchell Professor in Law and Public Policy at the Georgetown University Law Center from March 2014 through December 2016 . He has published in various legal fields including constitutional law , national security , criminal justice , civil rights , and law and literature . Cole has litigated several significant First Amendment cases in the Supreme Court of the United States , as well a number of influential cases concerning civil rights and national security . He is also a legal correspondent to several mainstream media outlets and publications .
David D. Cole's honorary Professor title was named after the Senate Majority Leader during what years?
David D. Cole 's honorary Professor title was named after the Senate Majority Leader during what years ?
1989 to 1995
1989 to 1995