Boston Bombing Probe at 'Critical Point': Borelli

April 18 (Bloomberg) -- Don Borelli, chief operating officer at The Soufran Group, talks with Bloomberg's Tom Keene about how complicated it is to investigate a case as big Monday's Boston Marathon bombing. He speaks on Bloomberg Television's "Bloomberg Surveillance."
Aetna to Buy Humana for $37 Billion
43:35 - Bloomberg's Francine Lacqua and Manus Cranny report on today's "Top Headlines." They speak on Bloomberg Television's "The Pulse." (Source: Bloomberg)
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