Wall Street Journal: More than a year after superstorm Sandy, a messy problem has lingered: How to prevent storm surges from crippling sewerage systems and causing untreated wastewater to spill into waterways and homes.
Sewerage systems across the New York City region are undertaking costly attempts to fortify against future storms, after Sandy sent billions of gallons of raw and partially treated waste into waterways and swatches of suburbia.
In Yonkers, where the wastewater treatment plant couldn't completely...