Allan Gregg in conversation with..CONRAD BLACK Conrad Black and Richard Nixon -- what's the connection, you might ask? Well, Nixon is the subject of a new biography by Lord Black. The former media baron, now in the middle of his own legal battle, has just published a hefty tome about the embattled former president. It is called The Invincible Quest: The Life of Richard Milhous Nixon.

Olivia Chow states that her belief in justice and compassion is what impelled her into public life. She explains her controversial resignation from the Police Services Board and talks about her life with Jack Layton. (Originally aired October 2000)

Christopher Hitchens' latest book, "The Trial of Henry Kissinger" is a point-by-point indictment of Kissinger. Although viewed by many as the greatest statesman of his era, Hitchens refutes that and claims he is actually a war criminal. (Originally aired April 2001).

In his new book, "The Naked Corporation" Don Tapscott analyzes the positive impact the internet is having on corporate transparency.

(Originally aired February 2004)

Lucinda Vardey reveals it was a brush with illness that made her reflect on her life and thereby seek a more spiritual, contemplative existence. Her book, "God In All Worlds: An Anthology of Contemporary Spiritual Writing" spans fifty years and represents traditions from many religions. (Originally aired May 1996).

Controversial muslim Irshad Manji, dislikes many aspects of her faith, particularly in regard to human rights. For example, the treatment of women, the use of slavery and the overt anti-semitism . She regrets the hijacking of islam by fundamentalist fanatics. (Originally aired January 2004)

Film critic Roger Ebert on how the job of a film critic has changed; the rise in popularity of "indie" films; his time with Gene Siskel; the work of Spike Lee and which films have touched his life. His book, an anthology, is called "Roger Ebert's Book of Film". (Originally aired February 1997)

Drs. James Meschino and Barry Simon (a psychiatrist), are the authors of "Break the Weight -Loss Barrier", in which they discuss the facts of fat and the psychology of eating, why diets are bound to fail and why resolutions often crumble. (Originally aired November 2002).

Urban planning visionary Jane Jacobs, has a new book. It is called "The Nature of Economies" in which Jane asserts that economies are governed by the same rules as nature itself. (Originally aired April 2000).

Dr. Deepak Chopra, a big advocate of the mind-body connection, believes there is a link between physical and spiritual well-being. He believes that emotional toxins, such as fear, like that generated by 9/11 and depression are physically harmful to the body. He also offers advice on how to reverse the ageing process. His new book is called "Grow Younger, Live Longer". (Originally aired September 2001)