Idaho agricultural groups have joined other Northwest stakeholders in asking U.S. Agriculture Secretary Tom Vilsack to step in on the federal government's efforts to restore salmon by removing the four lower Snake River dams. Decades-long litigation over salmon in the Columbia River Basin is halted under a stay agreement until Aug. 31. During the stay, the primary parties to the litigation have entered a mediation process led by the White House Council on Environmental Quality and the Federal Mediation and Conciliation Service, in hopes of reaching a settlement.