Commentary Six years ago, I asked energy companies and others to fund research on why, in addition to being valuable economic commodities, oil and natural gas might be integral to Canada’s and our allies’ security interests. The theory was that Canadians who normally think only superficially about fossil fuels might be more sympathetic to their development if they grasped how dangerous it was for our allies to rely as heavily as they do on imports of natural gas and oil from autocracies and tyrannies. There was little interest. Energy CEOs seemed convinced that opposition to Canadian oil and gas could be overcome with numbers arguments alone, i.e., by emphasizing how profitable the sector is for Canada in terms of jobs, incomes and tax revenues. That was a mistake. Too many Canadians then as now believed in either-or choices on oil and gas: Either keep pumping “dirty” energy or give that …