Huckabee's closing argument to voters here this evening featured a few new stories and two prolonged sections on illegal immigration and Christian values. These two topics usually feature prominently in Huckabee's stump speech, but last night he got specific, promising to build a border fence within 18 months if elected and elaborating on his belief that the constitution needs to be amended. "[Some of my opponents] do not want to change the Constitution, but I believe it's a lot easier to change the constitution than it would be to change the word of the living God, and that's what we...