Billionaire media tycoon Michael Bloomberg analyzes the explosion of business news and the market. (Original air date October 1998)

Senator Hugh Segal talks about the recent federal election and about his new book "The Right Balance", which traces the history of the Conservative party in Canada.

In his new book "Here On Earth", Australian scientist and author Tim Flannery makes the optimistic claim we can still save our planet.

Oxford historian Niall Ferguson reviews the world's oldest motives for war, and concludes in his book, "The Pity of War" , that World War I was unnecessary. (Originally aired November 2000).

British journalist Robert Fisk traces the history of conflict and tragedy in the Middle East. He has met almost every major character in the Middle East, including Saddam Hussein, and has interviewed Osama bin Laden three times. His new book is, " The Great War for Civilisation: The Conquest of the Middle East." (Original air date November 2005)

Filmmaker Deepa Mehta on her latest film "Fire". Her first Canadian feature, "Sam and Me" won rave reviews, but her next film "Camilla" did not.

Journalist Carl Bernstein on his book "His Holiness: John Paul II and the Hidden History of our Time", which deals with whyt the Soviets saw Pope John Paul II as a serious threat to their survival. (Original broadcast October 1996)

Paul Watson, founder of the Sea Shepherd Conservation Society, has spent a lifetime using revolutionary tactics to oppose the hunting of marine wild life. His latest book is called, "Seal Wars" and chronicles his efforts to stop the slaughter of Harp seals. (Original broadcast March 2003)

British entrepreneur Richard Branson, founder of the Virgin empire, talks about how he carved his unique path to success. (Original broadcast April 2001)

Buzz Aldrin was the second man to walk on the moon, after Neil Armstrong. Now, he talks about his lifelong fascination with space travel. Aldrin has written about it in a new novel, and now campaigns to launch his dream project: to shuttle people to Mars.