U.S. Secretary of State Rex Tillerson said on Feb. 16 that the United States was ready to work with Russia if there were common areas for cooperation, but said Moscow had to adhere to commitments made over Ukraine.
Russia's War Against Ukraine
Reuters: Tillerson says US expects Russia to meet Ukraine commitments
Russian-backed separatists take part in a military competition between tank units near the town of Torez in the Donetsk region on Sept. 14, 2015.
