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What is ricin?
Washington is in the middle of a ricin scare after letters sent to the Capitol tested positive for ricin. But what is it?
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What is ricin?
Washington is in the middle of a ricin scare after letters sent to the Capitol tested positive for ricin. But what is it?
Date: 4/17/13
Views: 7246
Video by:  MSN News/Newsy
 
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