One day after Rep. Ilhan Omar, D-Minn., questioned Columbia University administrators about the mistreatment of students protesting Israel’s war on Gaza, the school suspended Omar’s daughter and two other students for participating in a campus protest. Omar’s questions to the administrators during a Wednesday congressional hearing on antisemitism at Columbia touched on the school’s response to students being sprayed with a chemical at a campus rally for Gaza and its policy surrounding professors harassing students online. University President Nemat Minouche Shafik announced that two students were suspended in relation to the January protest and that a professor was under investigation...