What Caused Lufthansa to Cancel European Service?

April 22 (Bloomberg) -- Lufthansa canceled 99 percent of its European service today because of a planned day-long strike by a union representing ground workers and cabin crew. Kari Lundgren reports on Bloomberg Television's "Countdown."
Aetna to Buy Humana for $37 Billion
24:41 - 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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