Megyn Kelly torched Jack Schlossberg as an “absolute idiot” and “entitled jerk” while mocking the congressional hopeful’s résumé, social media antics and allegedly chaotic campaign during a blistering rant on her podcast Thursday. The conservative commentator unloaded on Schlossberg — the only grandson of President John F. Kennedy — after the New York Times published a lengthy profile detailing reported dysfunction inside his Democratic congressional campaign. “Jack Schlossberg, who is perhaps