The Chicago City Council’s lone Jewish alderman on Thursday said a colleague “crossed the line” and used antisemitic language in a social media post. Ald. Debra Silverstein, 50th, highlighted and harshly criticized a post recently made by Ald. Rossana Rodriguez-Sanchez, 33rd. It includes a photo of Rodriguez-Sanchez with her child and a request that Facebook friends share pediatrician recommendations. “Looking for an anti Zionist pediatrician for this baby,” the caption reads. Silverstein called the caption an attempt by Rodriguez-Sanchez to blacklist Jewish doctors. Rodriguez-Sanchez described the accusation as a bid to stifle her long-running criticism of Israel’s war effort in...