This week the biggest union at the Minneapolis Star Tribune is expected to approve a new contract. This could put new pressure on labor negotiations at its rival paper in St. Paul. Union leaders at the St. Paul Pioneer Press have been locked all day in talks with management, hoping to avert a strike. The contract for the paper's largest union expired more than a year ago. Crafting a new one has been slow and acrimonious. Minnesota Public Radio's Jeff Horwich reports.