Talks of a cease-fire in Ukraine have centered on the Donbas, a valued region for both Ukraine and Russia where most of the fighting is taking place. Michael Schwirtz, a global intelligence correspondent, and Anatoly Kurmanaev, a foreign correspondent covering Russia, break down who the Donbas is important to and why. #Russia #Ukraine #Donbas Video by Michael Schwirtz, Anatoly Kurmanaev, Christina Thornell, June Kim and Alexandra Ostasiewicz