Lawmakers are quietly pressing farmers and environmentalists to settle a bitter lawsuit over the San Joaquin River's future. The behind-the-scenes details are fluid but the stakes uncommonly high for fish, Friant Dam, irrigation districts and, perhaps, political reputations. "We think if we can get both sides to agree, that is better than more years (of fighting) and lawyers," Mariposa Republican Rep. George Radanovich said in an interview last week. "This has got to be a consensus deal." At issue is the long-running fight over restoring the salmon fishery on the San Joaquin River below Friant Dam, northeast of Fresno. After...