Trump's interview with Bill O'Reilly on Fox News last night was one of the most revealing interviews I've seen of him. O'Reilly questions Trump about his great new immigration plan, and Trump proves that he has no idea what the constitution says or means. Watch Trump's bluster start to fade when O'Reilly calls him on it. You can almost see him realizing in the middle of his answer that he actually might be wrong. He still blusters his way out of it, but it's half-hearted, and O'Reilly doesn't really let him get away with it. When you're a Republican and you're losing O'Reilly, it's only natural to start worrying...
Just for the record, by the way, the 14th amendment says: All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.