PRI: Forever is a long time. Definitely way too long for opponents of Frances first-in-the-world ban on hydraulic fracturing, better known as fracking. Back when it was passed in 2011, many thought the ban would be the final word on fracking in France. The controversial method of injecting water, chemicals and sand deep underground to produce shale gas and oil would never be used here. Instead, shale gas, or gaz de schiste, is still a hot topic, in large part because an American drilling company is...