As Texans struggle through a prolonged cold snap that has left many homes dark and now flooded with burst water pipes, attention turns to the state-managed power grid and the relative merits of fossil fuels versus green energy. On Thursday, Texas Public Policy Foundation Vice President Chuck DeVore said Texas residents have a lot of "digging out" to do, but once that's done, it's time to consider the "resiliency" of power sources, in addition to reliability. “And as far as what to do in the future, I think that we need to assign a value to grid reliability and resiliency,"...