tackled the sensational congressional hearings of December 5, when New York’s Republican congresswoman Elise Stefanik grilled the presidents of MIT, Harvard and UPenn — who all refused to condemn students calling for the genocide of Jews on their campuses. A worthy topic, but a disastrous, embarrassing rendering: “SNL” came out swinging — on the side of antisemitism.The sketch’s target wasn’t the university presidents, who failed so spectacularlyat the Capitol Building that Liz Magill of UPenn has already quit and critics are clamoring for Harvard’s Claudine Gay and MIT’s Sally Kornbluth to tender their own resignations.Instead, “SNL” writers turned their poison pens on Stefanik, who actually trounced the three in a public beating like we haven’t seen since Ivan Drago killed Apollo Creed onscreen back in ’85.