I used to listen to Brian Lehrer whenever I had to chance when I lived in New York City. He’s one of the best there is in radio. This morning I had the honor of speaking with him about Dark Pools live from NPR’s headquarters in Washington, D.C. I explained that the market has transformed into a computer-driven trading machine so rapidly that regulators have been lapped–and lapped again. We talked about the Flash Crash–and the Splash Crash. Check it out here.