A California company wants to build a rail line to nowhere in the desert west of Las Vegas. And, no, that isn’t some mean-spirited joke about the proposed high-speed train to Victorville. This rail line — the first of its kind anywhere in the world — would run 5.5 miles up the western slope of the Spring Mountains near Pahrump to store electricity and stabilize the power grid. It’s known as Advanced Rail Energy Storage,…