Pierson argued that the United States has never in its history “allowed insurgents to come across this border.”

“No one’s talking about allowing insurgents,” Cupp countered. “You’re talking about not allowing regular Muslims.”

“Yes, from Arab nations,” Pierson replied. “You know what? So what? They’re Muslim!”

“So what?! That’s not the nation we live in, Katrina,” Cupp said.