Allegiant Air's pilots' union is blocking the airline's attempt to secure permanent residency for dozens of foreign pilots from Chile, Australia and Singapore, leaving their immigration status - and the company's staffing - in limbo. The union has refused to certify to the U.S. Department of Labor that the pilot positions, which start at about $50,000 a year, about half of what pilots at other regional airlines earn, meet "prevailing wage" standards. That… (www.msn.com) More...