Rehnquist, C. J., dissenting
the punishment cruel and unusual primarily because 18 States recently have passed laws limiting the death eligibility of certain defendants based on mental retardation alone, despite the fact that the laws of 19 other States besides Virginia continue to leave the question of proper punishment to the individuated consideration of sentencing judges or juries familiar with the particular offender and his or her crime. See ante, at 314-315.
I agree with Justice Scalia, post, at 337-338 (dissenting opinion), that the Court's assessment of the current legislative judgment regarding the execution of defendants like petitioner more resembles a post hoc rationalization for the majority's subjectively preferred result rather than any objective effort to ascertain the content of an evolving standard of decency. I write separately, however, to call attention to the defects in the Court's decision to place weight on foreign laws, the views of professional and religious organizations, and opinion polls in reaching its conclusion. See ante, at 316-317, n. 21. The Court's suggestion that these sources are relevant to the constitutional question finds little support in our precedents and, in my view, is antithetical to considerations of federalism, which instruct that any "permanent prohibition upon all units of democratic government must [be apparent] in the operative acts (laws and the application of laws) that the people have approved." Stanford v. Kentucky, 492 U. S. 361, 377 (1989) (plurality opinion). The Court's uncritical acceptance of the opinion poll data brought to our attention, moreover, warrants additional comment, because we lack sufficient information to conclude that the surveys were conducted in accordance with generally accepted scientific principles or are capable of supporting valid empirical inferences about the issue before us.
In making determinations about whether a punishment is "cruel and unusual" under the evolving standards of decency embraced by the Eighth Amendment, we have emphasized that legislation is the "clearest and most reliable objectivePage: Index Previous 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Next
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