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spec: We thank Mark Hunt , director of the Ronald Reagan Presidential Library and Museum , for donating this " lasting impression , " which we hope will warm your spirits on a cold winter day . Sharon will have to do for the Palestinians what Ronald Reagan did for the Soviets . It can be found in downtowns , neighborhoods , and parks . Nature has provided the equinox , a billion year symbol of unity and balance . The lost shuttle was Challenger , the grieving President Ronald Wilson Reagan , speaking the crafted cadences of Peggy Noonan . If Nancy Reagan gave credence to astrology in planning her calendar , it 's not surprising that Ronald thought that knocking on wood would genuinely ensure luck . When the worst that the Right could do was Ronald Reagan , it was still tolerable . They can understand the general message of basic reading passages that contain simple language structures and syntax . We have developed a compiler that can specialize generic procedures through views that describe how application data types correspond to abstract types .