Even though sockeye salmon have been abundant on Cook Inlet’s east side in recent years, the state has severely limited the setnet fishery there. The restrictions are intended to reduce king salmon mortality amid dwindling runs. Last year, a Kenai fishing couple tired of being sidelined launched an experimental fishery that yielded 15,000 sockeye and zero king salmon deaths. State fishery authorities will soon consider making the experimental gear a permanent option…