Mercury: Colorado Gov. John Hickenlooper's new fracking regulations for the oil and gas industry have been hailed as a model for other states. The Colorado Democrat is so convinced that drilling will be safe that he actually drank fracking fluid. It wasn't "tasty," he said, "but I'm still alive."
Colorado's model may work along the geologically stable Rocky Mountains, but California's seismic issues set it apart from Midwest and East Coast states where oil companies use fracking -- shorthand for hydraulic...