This week's Economist has an article confirming three of the most important points I made in my op-ed:
1) Dodd-Frank has resulted in a de facto embargo on exports of minerals from eastern Congo.
2) That embargo has had disastrous consequences for hundreds of thousands of miners and their dependents, as well as for the regional economy as a whole.
3) It has perversely helped, rather than hurt, the militia it was meant to target.
This article does contradict my reporting in one respect. It says miners blame the "American law" for their plight. The people I spoke to called it the "Obama law." This probably represents a regional difference: I was mostly in South Kivu, the Economist's reporter mostly, from what I can tell, in North Kivu. Here's an excerpt from the article: