What is Joe Clark?
{{Infobox Prime Minister | honorific-prefix = [[The Right Honourable]] | birth_name = Charles Joseph Clark | name = Joe Clark | honorific-suffix = [[Queen's Privy Council for Canada|PC]] [[Order of Canada|CC]] [[Alberta Order of Excellence|AOE]] | image = File:JoeClark.jpg | caption = Clark campaigning during the 1979 federal election | order = 20th [[Prime Minister of Canada]] | term_start = June 4, 1979 | term_end = March 3, 1980 | monarch = [[Elizabeth II]] | governor_general = [[Edward Schreyer]] | predecessor = [[Pierre Trudeau]] | successor = Pierre Trudeau | office1 = [[Leader of the Official Opposition (Canada)|Leader of the Opposition]] | term_start1 = March 4, 1980 | term_end1 = February 1, 1983 | predecessor1 = Pierre Trudeau | successor1 = [[Erik Nielsen]] | primeminister1 = Pierre Trudeau | term_start2 = February 22, 1976 | term_end2 = June 3, 1979 | predecessor2 = [[Robert Stanfield]] | successor2 = Pierre Trudeau | primeminister2 = Pierre Trudeau | office3 = Leader of the [[Progressive Conservative Party of Canada]] | term_start3 = November 14, 1998 | term_end3 = May 31, 2003 | predecessor3 = [[Elsie Wayne]] {{small|(Interim)}} | successor3 = [[Peter MacKay]] | term_start4 = February 22, 1976 | term_end4 = February 19, 1983 | predecessor4 = [[Robert Stanfield]] | successor4 = [[Erik Nielsen]] {{small|(Interim)}} | office5 = [[President of the Queen's Privy Council for Canada|President of the Privy Council]] | term_start5 = April 21, 1991 | term_end5 = June 24, 1993 | primeminister5 = [[Brian Mulroney]] | predecessor5 = [[Don Mazankowski]] | successor5 = [[Pierre Blais]] | office6 = [[Minister of Foreign Affairs (Canada)|Secretary of State for Extern