By Sheryl Hunter
For the Valley Advocate The lineup of the 2026 Green River Festival is evolving in the wake of international travel restrictions implemented by the Trump administration. DSP Shows recently announced that Nigerien band Etran de L’Aïr and Colombian group Frente Cumbiero will not perform as scheduled, due to travel restrictions that have prevented them from securing the needed access to travel to the United States. The Green River …