The Right Honourable Joe Clark was elected in 1979 as Canada's sixteenth and youngest prime minister. During the Mulroney government, he served as minister of external affairs from 1984 to 1991, and as president of the Privy Council and minister responsible for constitutional affairs from 1991 to 1993. After several years away from public life he was elected again to the House of Commons in 2000, where he represented Calgary Centre until leaving politics in 2004. He now works as a political and business consultant in Ottawa, where he lives with his wife, Maureen McTeer. He'll be in the red chair to talk about politics and his new book How We Lead: Canada In A Century Of Change.