New White House Chief of Staff, AT&T Loss Narrows

Jan. 25 (Bloomberg) -- Gigi Stone reports on today's top headlines. She speaks on Bloomberg Television's "Bottom Line." (Source: Bloomberg)
The Benefits of EMV Credit Card Chip Technology
24:30 - Ellen Richey, Visa's chief enterprise risk officer, explains the benefits of EMV credit card chip technology. She speaks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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