PBS NewsHour

Wednesday, April 20, 2011

04/20/2011 | 53m 31s

It was a day of remembrance on the Gulf Coast, one year after the Deepwater Horizon explosion began what became the worst offshore oil spill in U.S. history. Also, we sit down with Transportation Secretary Ray LaHood about the latest air safety incidents and get the latest on the situation in Libya. Finally, Robert MacNeil examines the causes of autism with experts.

Aired: 04/20/11

Expired: 05/20/11

Rating: NR

Problems Playing Video? | Closed Captioning

Major corporate funding for the PBS NewsHour is provided by BNSF, Consumer Cellular, Leidos, Babbel, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Mutual of America. …