Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/sunday-may-11-2014 Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Sunday on the News Hour... On this edition for Sunday, May 11, 2014, two regions in Eastern Ukraine endorse plan that could lead to secession. In our signature segment, a question of rail safety arises as more and more oil is being shipped on old rail cars through American cities. Listen to the Broadcast Subscribe to the Full Show Podcast Segments From This Episode New study looks at immunotherapy to treat common cancers Voters in Eastern Ukraine cast ballots in contested referendum Bannister recalls the day he conquered the four-minute mile Crude oil brings boom times and safety concerns to North Dakota