Sen. John McCain recently cast doubt over whether Ted Cruz is enough of a natural-born citizen to meet the qualifications to become president under U.S. Const. art. II, § 1, cl. 5. Contrasting to his birth on a U.S. Military base in Panama, he said, “[T]hat’s different from being born on foreign soil, so I think there is a question. I am not a Constitutional scholar on that, but I think it’s worth looking into.”