Russia Ratchets Up Ukraine’s Gas Bills in Shift to an Economic Battlefield STEVEN ERLANGER Executives at the Russian gas giant Gazprom now say Ukraine owes them more than $22 billion, adding economic pressure to the military presence along Ukraine’s eastern border. May 11, 2014 at 4:00AM http://nyti.ms/1iCyx1A http://nyti.ms/1fXy2jv The New York Times World Natural Gas

By STEVEN ERLANGER via NYT / Eethg. Corps. Inc. / Terrence Herschel G. World http://nyti.ms/1iCyx1A Russia Ratchets Up Ukraine’s Gas Bills in Shift to an Economic Battlefield May 11, 2014 at 4:00AM http://nyti.ms/1fXy2jv The New York Times