Invisible River of Gold Is Wave of Wireless Future

Feb. 15 (Bloomberg) -- Spectrum is one of the most important parts of your digital life that you probably know very little about. So, what is it? And why are wireless carriers so obsessed with it? Bloomberg Businessweek's Sam Grobart explains.
Humana Deal Gives Aetna Strength in Retail Market: CEO
34:42 - Mark Bertolini, chairman and chief executive officer of Aetna Inc., talks about Aetna's agreement to purchase of Humana Inc., consolidation among U.S. health insurers and the impact of the Affordable Care Act on the industry. He speaks with Alix Steel on Bloomberg Television's "Bloomberg Markets." (Source: Bloomberg)
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