Rio Tinto has been accused by the SEC of hiding the plunging value of a coal mine it bought in 2011. The charges are serious, but at least accounting procedures are fairly clear. If only there were rules that could prevent mining bosses getting carried away during M&A upswings.
During the 2016 campaign, Donald Trump suggested the United States revisit the gold standard. So did his rivals Ted Cruz, Rand Paul and Ben Carson. Why are Americans so obsessed with the precious metal, both as a store of value and an investment? James Ledbetter swings by Times Square to discuss his new book, "One Nation Under Gold."