This past week the freshman lawmaker for Colorado’s District 3, Lauren Boebert (R), who is up for re-election in November, walked out of an elevator and asked a group of Jewish visitors to the U.S. Capitol whether they were there to conduct “reconnaissance.” While she’s known for her gaffs, her fondness for guns, and her defiance of Congressional norms, the latest incident of cultural and ethnic insensitivity struck a chord across the country. Some Democratic lawmakers have accused Republican colleagues of leading groups on tours of the Capitol before the Jan. 6, 2021, attack by supporters of Donald Trump and...