For the short term at least, Ukrainians and Europeans won't have to worry about shelling out more to heat their homes this winter. An eleventh-hour extension to an energy transit agreement will guarantee the continued flow of natural gas from Russia to Europe through Ukraine over the next five years, but there is little indication that the current deal will presage longer-term cooperation between Moscow and Kyiv. Indeed, lingering distrust between the two capitals will lead Ukraine down the path of producing its own natural gas to achieve self-sufficiency in the longer term, while Russia will strive to shift shipments to pipelines in the Baltic and Black seas that don't present as much of a political nuisance. Ultimately, the emergence of other transit routes will reduce the calming effect that natural gas transit deals have had on the two countries' larger political disputes over hot-button issues like Crimea, eastern Ukraine...