Monday, April 18, 2011
04/18/2011 | 53m 58s
Survivors and officials count the human and material costs of the weekend's swarm of tornadoes that killed at least 44 people in half a dozen states. Also, we look at new financial worries after a key rating agency downgrades its long term outlook on the nation's debt and we get the latest from the ground in Libya. Finally, Robert MacNeil returns to launch a series of reports on Autism.
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