*By Rene Tebel The last two weeks have indicated it: the defensive lines of Ukrainian forces in Donbass are yielding more and more after weeks of artillery, mortar and tank shelling. Serhiy Hadai, the military governor of Luhansk oblast, said Friday morning that the defenders of Severodonetsk had received orders to withdraw. On Saturday, the Russian Defense Ministry confirmed the capture of the industrial city. This shifts the fighting for ...