FBI Conducting Tests on Obama Letter, Carney Says

April 17 (Bloomberg) -- White House Press Secretary Jay Carney talks about a letter addressed to President Barack Obama containing a substance that the FBI said was positive for the poison ricin in preliminary testing. The letter was intercepted before reaching the White House. Carney also discusses the Boston Marathon bombings and Obama’s bid for new gun-control measures. (Source: Bloomberg)
Hacker Teen Uses 'Swatting' to Harass Online Gamers
34:26 - Bloomberg's Emily Chang reports on the teenage hacker who admitted to "swatting" online gamers. She speaks on "Bloomberg West." (Source: Bloomberg)
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