Question: David D. Cole's honorary Professor title was named after the Senate Majority Leader during what years?
Context: John P. Morse is a former American politician who was a state senator in the Colorado Senate from 2007 to 2013, serving as president of the senate in 2013.  He is a member of the Democratic Party.  Morse represented Senate District 11, which encompasses Manitou Springs, Colorado and eastern Colorado Springs.  On April 17, 2009, he was selected to become Colorado's next Senate Majority Leader, following the resignation of Senate President Peter Groff and the promotion of previous Majority Leader Brandon Shaffer.  On September 10, 2013, Morse was recalled from office as a reaction to his involvement in passing gun control laws.  He was the first legislator to be successfully recalled in the state's history. 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. 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. Lula Johnson Davis was Secretary for the Majority of the United States Senate from 2008 to 2011.  Davis was born in Louisiana.  She received a B.S. in office administration and an M.Ed., in guidance counseling from Southern University in Baton Rouge, Louisiana.  She began her career with the Senate as a legislative correspondent for Senator Russell B. Long of Louisiana.  After Senator Long retired from the Senate in January 1987, Davis worked as an office assistant for the Democratic Policy Committee’s Senate floor staff office.  In 1993, she became a member of the Democratic floor staff.  In 1995, she was promoted to chief floor assistant.  In 1997, she assumed the position of assistant secretary.  After the retirement of Martin P. Paone, in January 2008, the Senate elected Davis Secretary for the Majority.  As Secretary for the Majority, she was a senior procedural advisor to the Senate Majority Leader, Senator Harry Reid, and supervised the day-to-day Senate schedule.  In so doing, she often worked with Secretary for the Minority David J. Schiappa.  Davis told Senators what they could and could not do when it came to rules and procedure.  Consequently, Davis was called “one of the most powerful unelected people in the U.S. Senate.”  Davis retired at the end of the 111th Congress. The Florida Senate Majority Office consists of the Majority Leader, Senator Lizbeth Benacquisto, R-Ft.  Myers, who represents the members of the Majority Party in the Senate, as well as a team of professional staff.  As the political extension of the Office of the Senate President, the Senate Majority Office enables the Republican Caucus to fully participate in the governmental process; providing accurate information and services in a professional manner and enabling members to make unified, informed decisions affecting the quality of life of the people they represent. Donna Malpezzi is a prominent attorney in Pennsylvania, where she is chief counsel for Pennsylvania Senate Majority Leader Dominic F. Pileggi.  She also worked as chief counsel for the previous Senate Majority Leader, David J. Brightbill and moved to Pileggi's office after Brightbill was defeated following the 2005 Pennsylvania General Assembly pay raise controversy.  Prior to that, she was an attorney in the office of Senator F. Joseph Loeper. Nancy Erickson is the former Secretary of the United States Senate.  She began her term as Secretary on January 4, 2007 in the 110th Congress.  Erickson was appointed by Democratic and Majority Leader Harry Reid of Nevada.  Prior to serving as Secretary of the Senate, Erickson served as the Democratic Representative to the Sergeant at Arms.  She also served as the deputy chief of staff to former Senate majority leader Tom Daschle, (D) South Dakota.  Erickson has a B.A. from Augustana College, and a M.A. from American University. John F. Campbell (born March 3, 1954) is an American politician from Vermont.  Campbell, a Democrat, is a member of the Vermont Senate, representing the Windsor Vermont Senate District since 2000.  He became Senate Majority Leader in 2003.  He was the Senate Majority Leader of the Vermont Senate until January 5, 2011, when he was elected Senate Pro Tempore for the legislative session. The United States Senate elections of 1952 was an election for the United States Senate which coincided with the election of Dwight D. Eisenhower to the presidency by a large margin.  The Republicans managed to make a net gain of two seats, which was reduced to one when Wayne Morse (R-OR) became an independent.  The Republicans held a 49 to 47 seat majority after Morse's switch.  This election was the second time in history (after 1932) that the party in power lost their majority and the Senate Majority Leader lost his own re-election bid.  (In addition, this was the second consecutive election in which a sitting Senate leader lost his seat.) William "Chip" Rogers, born May 3, 1968, is the President and CEO of AAHOA, the largest hotel owners association in the United States.  Rogers is a former American politician from the state of Georgia.  He is a Republican and was first elected in 2002 to the Georgia General Assembly to the Georgia House of Representatives, in 2004 he was elected to the Georgia State Senate.  Rogers was unanimously chosen as the Senate Majority Leader of the U.S. state of Georgia in 2008 and again in 2010.  In November 2012 Rogers resigned his position as Senate Majority Leader, and in December, he resigned his position in the state Senate.  He took up the position of host and Executive Producer of the statewide Georgia Public Broadcasting radio program Georgia Works.  Following this he became the President of AAHOA.
Answer: 1989 to 1995