How America Broke OPEC

Many U.S. producers say they can turn a profit at $50 a barrel and even as low as $30 in the Permian’s most productive regions. Yet most OPEC members need prices ranging between $70 and $90 per barrel to balance their budgets. The cartel scaled back output in 2016, but shale producers roared back as prices recovered. *** Barack Obama, hilariously, is now claiming credit for the shale boom. “You know that whole suddenly America’s like the biggest oil producer . . . that was me, people,” he said last month at Rice University. But drilling leases on federal land...