Some of the day laborers joined Muñoz outside the chamber and recited their scripts to the passing senators. Sam Brownback, a Republican from Kansas, came over to them. He’d long been a supporter of immigrants’ rights, until he wasn’t. The polling changed. His tortured reversal was the subject of obsessive discussion among reporters and advocates. It was taken as an ominous bellwether of dwindling congressional allies. “Let me tell you what’s about to happen,” he told the day laborers. From his somber expression, Muñoz had an idea of what he was going to say, but she was surprised by his
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