The Oscar for Best Picture last month went to Argo, the Ben Affleck movie about the Canadian government’s help in spiriting U.S. diplomats out of Iran during the hostage crisis  – which  underscores the United States’ historic relationship with its closest ally, Canada. Back in the real world, however, the Obama administration is on the verge of severely damaging this strategic partnership with its poor handling of the proposed Keystone XL pipeline.