David Henderson at EconLog on Edward Conard's well-received book, Unintended Consequences. Professor Bainbridge has coverage of the "conflict mineral regulations" in Dodd-Frank. The Wall Street Journal reported last week on "the "conflict mineral" regulations of Dodd-Frank, which require onerous due diligence and disclosure of the "sourcing of tin, tantalum, tungsten and gold used in the products of 6,000 publicly traded companies." The SEC, in a 3-2 vote, approved the rule "despite lack of evidence that the benefits of such disclosure outweigh the billions of dollars of burden to American industry—and that cost figure is before the inevitable rent-seeking strike-suit securities litigation…