Christian Science Monitor: The Russian occupation of Crimea has raised concerns about the European Unions dependence on its eastern neighbor for natural gas. The EU gets about 34% of its natural gas imports from Russia, a large portion of which transits Ukraine through a web of pipelines. For Eastern Europe, that dependence is much greater. In the brutally cold winter of 2009 Russia cut off gas supplies to Europe allegedly over a pricing dispute with Ukraine. However, it was also a lesson to Western Europe on its dependence...