Thursday, April 21, 2011
04/21/2011 | 53m 53s
The U.S. adds a new weapon to the fighting in Libya, unmanned planes carrying missiles. We examine the implications of the move with experts and we get a report on the battle over curbing Medicare costs. Also, Robert MacNeil looks at treatments and the vital role education plays in understanding autism. Finally, we get two stories on the Gulf coast oil spill one year later.
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