New science shows Gulf spill is still killing dolphins
Clip: 05/20/2015 | 5m 1s
More than 1,000 bottlenose dolphins have died off the Gulf Coast since 2010, the year a massive Deepwater Horizon spill spewed millions of gallons of oil and chemicals. A new study by researchers at the National Oceanic and Atmospheric Administration examines why. The NewsHour’s William Brangham joins Judy Woodruff to discuss the findings.
Aired: 05/20/15
