By Rajiv Vyas, Detroit Free Press Knight Ridder/Tribune Business News
May 22--Northwest Airlines flight attendants are to begin voting today on whether they want a new union to represent them or to stick with the current one.
The Professional Flight Attendants Association, a union formed at Northwest less than a year ago, is challenging the International Brotherhood of Teamsters Local 2000, which has represented the flight attendants for 26 years.
Results of the election, conducted by the National Mediation Board, should be available June 19. Flight attendants will have almost four weeks to vote by telephone.
Eligible to vote are more than 3,500 Detroit-based flight attendants among 11,000 systemwide. Detroit is the carrier's …