As drought rages on, it begins to make more sense
                                
                                
                                    (Newser) -
                                    From the same drought that  brought the nation lawn-painting  comes yet another fad in faux greenery: Fake lawns, nicknamed "frass," are gaining popularity in parched California, which is cracking down on water use. With live grass requiring 55 gallons of water a year per square foot, and with...