A desert city built on a reputation for excess and indulgence wants to become a model for restraint and conservation with a first-in-the-nation policy banning grass that nobody walks on.  Las Vegas-area water officials have spent two decades trying to get people to replace thirsty greenery with desert plants, and now they’re asking the Nevada Legislature to outlaw roughly 40% of the turf that’s left.    Read the entire article……………………………….