Career
During his time in the legislature Harle served a couple different portfolios in the cabinet of Premier Peter Lougheed. Harle ran for a seat to the Alberta Legislature for the first time in a by-election held on February 14, 1972 in the electoral district of Stettler. He defeated former Social Cr Modern Language Association Galen Norris in a hotly contested race to hold the seat for the governing Progressive Conservatives.
Harle ran for his second term in the 1975 Alberta general election.
After winning his second term in office Harle was appointed to a position in the Executive Council of Alberta by Premier Peter Lougheed as Minister of Consumer and Corporate Affairs. Harle ran for a third term in office in the 1979 general election.
Harle was shuffled to the Soliticiter general portfolio by Lougheed immediately following the election. Harle ran for a fourth term in office in the 1982 general election.
On November 15, 1983 Harle resigned his cabinet post after he was caught by police in a Government of Alberta vehicle with a prostitute.
He kept his seat sitting in the back benches and did not seek another term after the legislature dissolved in 1986.
