Article continues below advertisementFox News host Mark Levin and his former colleague Megyn Kelly are at war. The pair traded jabs this week after Levin criticized Kelly's sit-down with alt-right "Pizzagate" conspiracy theorist Jack Posobiec at Turning Point USA's AmFest on Friday, December 19.The brawl began when Levin mentioned Kelly in an X post in which he slammed Posobiec for taking a photo with antisemitic podcast host Myron Gaines.The broadcaster started by tearing into Posobiec, dubbing him "Hack Jack," and ended his rant by taking aim at the journalist.