There's no better time to open the city's first New Orleans snow-ball shop than during a heatwave. Tucked between two of the many small restaurants in Sherman Oaks' restaurant row is Nola Ice, a product of two entertainment publicists with Southern origins and aspirations to bring the Big Easy treat to the West Coast. A New Orleans sno-ball is the refined and more delectable version of a streetfair sno-cone. The ice is finely shaved (it......