Chief foreign affairs correspondent Margaret Warner joins Judy Woodruff to discuss recent victories of the Ukrainian military over pro-Russian separatists, the obstacles to reclaiming military control of the city of Donetsk and the chances that President Obama will impose further…

When Boris Pasternak finished his novel “Dr. Zhivago” in 1956, Soviet authorities refused to publish the tale of an individual’s struggle amid the Russian Revolution. A new book, “The Zhivago Affair,” tells the story of how Pasternak’s novel came to…