1970's 1980's 1990's

• Then-Senator Bill Bradley discusses the place of government in American society. Aired 2/96 (08:17)
• Historian Bernard Trainor and political scientist John Mearsheimer discuss the role of Colin Powell in the Persian Gulf War and the military legacy of Vietnam. Aired 12/95 (06:17)
• Legendary television journalist David Brinkley explains the value of the Sunday morning talk shows in the political process. Aired 11/95 (03:13)
• Actor Charlton Heston tells the story of his early years at New Trier High School and how he met his wife Lydia. Aired 11/95 (05:49)
• Former Washington Post editor Ben Bradlee discusses the significance of the Post in uncovering Watergate. Aired 10/95 (05:27)
• Historian Gar Alperovitz offers his views on the American decision to drop the first atomic bomb on Hiroshima in August 1945. Aired 8/95 (10:41)
• Noted Presidential Scholar Michael Beschloss discuss Lyndon Johnson's policy in Vietnam, illustrated by an extract from one of the whitehouse tapes of the Johnson administration compiled by Beschloss. Aired 10/30/97 (:05.08)
• Malachi Martin in a program discussing his life and beliefs. Aired 9/20/96 (:04.59)
• Jeffery Toobin in a program discussing the role race played in the trial of OJ Simpson. Aired 9/17/96 (:04.57)
• Robert Gates in a program discussing the times in the cold war when the world was bought closest to the brink of catastrophe. Aired 5/9/96 (:05.11)
• Margaret Thatcher talks about the moment when she first realized that Michael Gorbachev was markedly different from other Russian presidents. Aired 6/28/95 (:04.21)
• Sir Peter Ustinov in conversation with two old friends and veteran politicians. Aired 6/5/95 (:13.06)
• An extract from an edition of Milt's music. Aired 5/12/95 (:05.02)
• Carl Sagan talks about the human need to travel and our possible future exploration of the solar system. Aired 12/13/94 (:05.09)
• David McCullogh discusses the President Harry Truman and the way in which he received the Democratic nomination. Aired 6/23/92 (:05.02)
• Frank Miller discussed the place of the film Casablanca in cinema history illustrated by a clip from the film. Aired 6/2/92 (:05.04)
• Lord Allan Bullock in a program discussing Hitler and modern European fascist movements. Aired 3/92 (:04.35)
• Baseball veterans Bob Feller and Lou Boudreau and baseball writer and historian Jerry Holtzman discuss a memorable game. Aired 4/12/90 (:05.34)

• Film critics Gene Phillips and Penelope Mesic defend their choice of The Godfather as one of the three greatest films of all time. Aired 12/89 (03:46)
• University of Chicago Philosopher Mortimer Adler discusses the problem of drugs and crime in America. Aired 1987 (04:08)
• Charles Van Doren argues that reading is the most rewarding of all human activities. Aired 01/86 (03:08)
• Then-Senator Paul Tsongas of Massachusetts talks about the 1980 election and predicts its consequences. Aired 10/81 (06:53)
• Elie Weisel discusses the difficulty in representing an event as indescribable as the Holocaust. Aired 4/81 (12:44)
• Bob Woodward talks about William Casey former head of the CIA and his role in the Iran contra affair and other covert actions incluing a political assassination attempt that claimed the lives of 80 people (:04.02)
• Milt discusses the changes in the Soviet Union during the 1980's from the perspective of 1979. Guests include the comic Tony Hendra. (:02.01)
• The author of the book Awakenings and the subject of the film of the same name Oliver Sacks talks about the deaf community in Marthas Vineyard and the way language influences thought. (:04.12)
• Actor Anthony Quinn discusses his role as Hollywoods leading actor of exotic roles and how he misled his father-in-law about his own ethnicity. (:02.41)
• Three local limo drivers reveal what happens when the libidos of their passangers go into overdrive. (:03.26)
• Actress Janet Leigh talks about her experience of Orson Wells during the filming of A Touch of Evil. (:02.32)
• Economist JK Galbraith talks about the pseudonyms under which he has written, and the unusual way in which de Gaulle revealed his self-obsession. (:02.49)
• Douglas Adams, author of the Hitchhiker's Guide novels talks to Abe Peck about the difference between British and American comedy. Includes an excerpt from Beyond The Fringe featuring Dudley Moore. (:04.52)
• President Carter talks about nuclear war, Reagan and Gorbachev. (:07.38)
• The scandal prone author and former Chairman of the British conservative party Jeffrey Archer discusses the 'Boobs' one meets on the book tour circuit. (:04.21)

• Former Nixon speechwriter William Safire notes the foreign and domestic accomplishments of President Nixon prior to the debilitating period of Watergate. Aired 03/75 (04:25)
• The legendary Israeli statesman Abba Eban paid a visit to Extension 720 for a brief interview in 1974. Aired 10/74 (19:04)
• Famed economist Milton Friedman, along with colleague John Gould, argues that, contrary to popular opinion, the United States was not facing an energy crisis in late-1973, less than two months following the Arab oil boycott prompted by the Yom Kippur War. Aired 11/73 (08:42)
• Oxford don and noted Shakespeare scholar A. L. Rouse discusses Shakespeare's true identity and English sexuality. Originally aired: 11/16/78 (:03.45)
• Presidential brother Billy Carter, sister Ruth Carter Stapleton, and Jim Wall discuss what Billy Carter thinks of religion and his brother President Jimmy Carter. Originally aired: 11/9/78 (:06.32)
• Former C.I.A. Director Bill Colby discusses the art of spying. Originally aired: 6/1/78 (:05.42)
• Pete Hamill and Roger Simon discuss the relationship between journalists and politicians. Originally aired: 12/7/1977 (:02.58)
• Roy Cohn, former chief counsel to the McCarthy Committee, who had helped prosecute the Rosenbergs as the Attorney General's Special Assistant for internal security, defends McCarthy from the charge of political opportunism. Originally aired: 4/11/77 (:06.22)
• Ray Tate, ex-director of the Old Town School of Folk Music; Andfred Holstein, a teacher and folk singer; and Ben Sandmill, also a folk singer tals about bluegrass music. Originally aired: 2/1/77 (:05.37)
• Admiral Elmo Zimbalt, Retired Chief of Naval Operations, democratic gubenatorial candidate for the state of Virginia; and Stanford Gotlieb, Executive Director of S.A.N.E. discuss nuclear arms policy. Originally aired: 7/21/76 (:06.25)
• Author Malachi Martin of Hostage to the Devil and author Jerry Rubin of Growing Up at 37 (about his time as a "Yippie") discuss demonic possession and have a heated debate about the nature of evil. Originally aired: 4/2/76 (:07.28)
• Ariana Stassionopoulos (now Huffington), author of The Female Woman, then studying at the LSE and former president of the Cambridge Union; and Mary Jane Collins-Robeson from the National Organization of Woman (NOW) discuss feminism. Originally aired: 5/2/74 (:04.07)
• Carl Sagan, then an astronomer at Cornell, discusses the likely reaction to contact with alien civilization. Originally aired: 12/4/73 (:03.31)
• Illinois Governor Dan Walker interviewed after six months of his first term tempts fate on the telephones. Originally aired: 7/12/73 (:01.18)
• Tom Wicker, New York Times columnist and former manager of its Washington Bureau, along with Larry Roderick of the WGN News staff talk about the "Enemies List" produced by the Nixon administration. Originally aired: 6/28/73 (:03.53)
• Joseph Kraft, political analyst, interviewed shortly before President Nixon announced a peace agreement in Vietnam. Originally aired: 1/23/73 (:03.46)
• Mortimer Adler discusses the existence of God and the contingent nature of the Universe as grounds for his existence (:03.50)
• G. Gordon Liddy discusses the Watergate break-in and bugging (:02.25)
• John Erlichman discusses Watergate, what the President should have done, and the reasons Watergate proceeded as it did (:03.10)
• Mimics including Wayne Juhlin and the late Don Kennedy impersonate WGN sportscasters (:02.57)
• Clips of actors including James Earl Jones, Tony Curtis, Kirk Douglas, Peter Ustinov, and Charleton Heston (:01.58)
• Peter Ustinov first airs his Southern Senator impersonation (:04.28)
• Actor Albert Finney talks about the genesis of his new album (:04.19)
• The Amazing Randi reads minds (:06.08)