Heavy winter snows in the Rocky Mountains have rescued the thirsty Western U.S. for another year. U.S. water managers said Tuesday there will be no water cutbacks in 2018 for millions of residents and farmers served by the Lake Mead reservoir on the Colorado River that lies behind the Hoover Dam. “The projection indicates there is no chance of shortage in 2018,” said Rose Davis, spokeswoman for the U.S. Bureau of Reclamation. “Zero.”