As lawmakers in the Nebraska legislature debated and advanced a near-total abortion ban last week, one Republican took to the floor and delivered an argument undergirded by a white supremacist conspiracy theory in support of the ban. In a speech last Wednesday, Republican State Sen. Steve Erdman said that an abortion ban is necessary because there are too many of "those foreigners" and "refugees" in the state — coded language for non-white people. "Our state population has not grown except by those foreigners who have moved here or refugees who have been placed here," he said, adding his untrue and...