No subject has so captured the imag- To be sure, they are full of sage ination of Americans as the decade of predictions and "words of learned the 1980s. With George Orwell's fate- length," like Goldsmith's parson. But ful 1984 just around the corner, when one probes for the scientific everyone anxiously wants to know underpinnings, one finds a common precisely what lies ahead. Coaxed by assumption running through all the prominent foundations and think predictions-namely, that one can...