The territorial destiny of Donetsk is the key issue preventing the conclusion of a peace deal between Ukraine and Russia, U.S. Secretary of State Marco Rubio said Wednesday. “The one remaining item … is the territorial claim on Donetsk. There is active work going to try to see if both sides’ views on this can be reconciled,” Rubio told a U.S. Senate Foreign Relations Committee meeting . “It’s still a bridge we haven’t crossed. It’s still a gap, but at least we’ve been able to narrow down the