Union withdraws vote to represent Delta flight attendants

The International Association of Machinists and Aerospace Workers (IAM) says it will delay a drive to organize Delta Air Lines Inc. (NYSE: DAL) flight attendants after some worker authorization cards were submitted with "insufficient information or questionable signatures." The IAM says on its website, “We were heartened by the outpouring of support for an election, as well as the sense of urgency among thousands of Flight Attendants who believed that the time to have a voice in their professional…