A U.S. judge in New Mexico on Thursday dismissed trespassing charges against dozens of migrants caught in a new military zone on the U.S.-Mexico border, marking a setback for Trump administration efforts to raise penalties for illegal crossings. Chief U.S. Magistrate Judge Gregory Wormuth began filing the dismissals late on Wednesday, ruling migrants did not know they were entering the New Mexico military zone and therefore could not be charged, according to court documents. Assistant Federal Public Defender Amanda Skinner said Wormuth dismissed the charges against all migrants who made initial court appearances on Thursday. The migrants still face charges...