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.
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