How do you know that if we start buying canadian oil that canada won’t join OPEC?
Do you really think Stephan Harper would join OPEC?
Competition is ALWAYS good for the competitior (and the consumer); I doubt Canada wants to share it’s oil with the “3rd World”, especially under a Conservative Prime Minister.
We have been buying canadian oil for many decades.
Total U.S. Crude Oil Imports From Canada
http://tonto.eia.doe.gov/dnav/pet/hist/mcrimusca2m.htm
We import more oil from Canada than from any other country.
U.S. Imports by Country of Origin
http://tonto.eia.doe.gov/dnav/pet/pet_move_impcus_a2_nus_epc0_im0_mbblpd_m.htm