Saudi Arabia has three things. Oil, sand and money. Only one of them will ever be in short supply to them. If they can slow down alternative energy research they will remain on top of the game. Coal used to be king, and its uses are being improved on by natural gas,right now oil is king, when the pipeline fiasco came up, the oil companys started using the rail system. Our rail system is amost a joke. The few company's in business, don't like to lay out money for up grades. There is little passenger service left. Our highway system is in trouble, no money the states claim. Our e;ectrical grid system is at the verge of collapse. And we spend billions of dollars showing the worldthe american way is best. How? foolish military spending, and nation building. somewhere else