Letter to Obama May Contain Ricin, FBI Says
April 17 (Bloomberg) -- Bloomberg's Julianna Goldman reports that the FBI has announced the letter sent to President Barack Obama containing a suspicious substance has preliminarily tested positive for ricin. She speaks on Bloomberg Television's "Lunch Money."
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31:03 - Bloomberg Television takes you behind the scenes of our award-winning magazine "Bloomberg Businessweek." Hosts Carol Massar and Oliver Renick talk with the writers who break news on a weekly basis. (Source: Bloomberg)