>> Does he have a physical condition that prevents him from turning his head to the right?
He’s been focused on turning to the left for SO long... to paraphrase your mom, “If you keep looking left across the aisle, eventually your neck is gonna harden like that.”
Romney politically is left. Watching him turn to speak at Santorum in the debate made him look like he had a physical impairment, aside from his stammering and stuttering, sometimes speaking incoherently.