We all make mistakes, so perhaps this is just one of those cases where the results lend themselves to ridicule. From Fox News: It may sound absurd. But President Obama signed a bill into law Wednesday that requires passengers who carry firearms aboard Amtrak be locked in boxes for their journey. It's a mistake in the law's wording. But for now, the clerical error is the law of the land. I'm sure there's no shortage of antis who would have no problem getting on board with that idea. Thing is: The bill text was correct when the House approved the...