Ukraine-warUkraine and Russia clashed over how to move toward a new cease-fire agreement, after President Petro Poroshenko said his country is ready for “total war” with President Vladimir Putin’s forces. As NATO Secretary General Jens Stoltenberg criticized Russia for staging a “serious military buildup” and sending troops and weapons across its border, Ukrainian Prime Minister Arseniy Yatsenyuk advocated new “Geneva format” talks including the U.S. to de-escalate the crisis. Russia said that framework, which followed April talks in the Swiss city that excluded pro-Russian separatists, would skirt a process that led to a Sept. 5 cease-fire in Minsk, Belarus. More