Meghan McCain is persona non grata at her TV alma mater. After news broke that “The View,” is planning to invite past hosts back to celebrate their 30th anniversary next season, multiple sources tell Page Six they’d prefer to keep McCain away. Several said they would “be shocked” if brass even extended an invite “given the way she treated people.” “She’s the most horrible, biggest pain in the ass,” they told us, referring to behavior on-camera and behind the scenes. One source claimed she once hurled an F bomb at the executive producer in front of their studio audience. “She’s a nut bag!” they added. McCain’s petulant outbursts were well…
