“I don’t know how you survive this one, and if he has to go, it’s because he never should have been there in the first place,” Christie told ABC News Chief Anchor George Stephanopoulos on “This Week” Sunday.

Christie, who initially headed President Donald Trump’s transition team until he was replaced in that lead role, was critical of how the transition played out.

“This was a brutally unprofessional transition,” Christie said. “This was a transition that didn’t vet people for this type of judgment issues.”