Fox News’ Mark Levin slammed his former colleague Tucker Carlson as a “loathsome ass who is increasingly unhinged and pathetic,” Mediaite reports.Levin’s declaration of war came after Carlson claimed that Levin “was at the White House today, lobbying for war with Iran.”He added: “To be clear, Levin has no plans to fight in this or any other war. He’s demanding that American troops do it.”