Next fracking controversy: In the Midwest, a storm brews over 'frac sand'

Kyle Slaby bounds up the slope behind his house, stopping at the sandstone outcrop he hopes will save his family's farm. The Slabys grow corn and soybeans on the ridgeline above. But these days there's more money – a lot more – in mining the sand below. "A lot of people look on it as an extension of farming," Mr. Slaby says. "It's another crop you're harvesting." Read more in the Christian Science Monitor.