NTSB Weeks Away From Finding Battery Failure Cause

Feb. 7 (Bloomberg) -- The top U.S. transportation safety investigator today questioned the adequacy of tests that prompted U.S. regulators to allow Boeing Co. to use lithium-ion batteries on the now-grounded 787 Dreamliner. Megan Hughes reports on Bloomberg Television's "Bottom Line." (Source: Bloomberg)

Full Show: Bloomberg Businessweek (03/24)
13:02 - 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)
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