Southwest Airlines (LUV) received disappointing tidings on the labor front, with its flight attendants making history with a resounding vote to authorize a strike. The Dallas-based carrier’s flight attendants are represented by the Transport Workers Union of America Local 556. With more than 98% of the union members in favor, this marks a historic moment as it is the first time in the union's history that flight attendants have sanctioned a strike against Southwest Airlines.The catalyst for this unprecedent ...