Happy birthday Harper: Number crunching the 9th longest-serving PM

Prime Minister Stephen Harper at the  State Funeral for Jim Flaherty at St. James Cathedral on...

Prime Minister Stephen Harper at the State Funeral for Jim Flaherty at St. James Cathedral on Wednesday, April 16, 2014 in Toronto. (Veronica Henri/QMI Agency)

David Akin, National Bureau

, Last Updated: 1:34 PM ET

Happy birthday Harper: Number crunching the 9th longest-serving PM

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