Elmo stood before his master. “Think of Wednesday,” he was instructed. Elmo tried, he lost his concentration and the temperature, which had been hovering around a high of 8, plunged to a low of -7. Snow began to fall. At this rate it would be two to three inches by the end of the day. “No! Use the Force, Elmo. There is no try,” the master counseled. “Think now of Thursday.” Elmo did, and, newly serene, kept the weather hovering between a high of 15 and a low of 14 all day, with only a chance of snow. “Excellent,” the squat, wizened being said.